Katy Perry spoils outfit by stuffing tissue down her dress as she hits Hollywood nightspots with Justin Bieber and Robert Pattinson


You don't need extra padding! Busty Katy Perry spoils outfit by stuffing tissue down her dress as she hits Hollywood hotspots with Justin Bieber and Robert Pattinson

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UPDATED:

01:01 GMT, 28 June 2012

As celebrity nights out go, it was A+ list… as Katy Perry, Justin Bieber, Selena Gomez and Robert Pattinson were all partying it up on the Sunset Strip last night.

The gang of superstars hit up Bootsy Bellows, David Arquette's new bar named after his mother's burlesque moniker, and the infamous Chateau Marmont in Bieber's 200,000 custom Mercedes Benz mini van.

But Perry, who had thrown the premiere of premieres for her new film, Part of Me, earlier in the evening was perhaps feeling under the weather as the revelry came to an end.

Not her best look: Katy Perry sported what looked like tissue down her corset dress as she arrived at the opening of new Hollywood club, Bootsy Bellows last night

Not her best look: Katy Perry sported what looked like tissue down her corset dress as she arrived at the opening of new Hollywood club, Bootsy Bellows last night

It's also being claimed that Pattinson was shut out of the party bus as the stars made to leave the Chateau, according to TMZ.

The 27-year-old could have offered him her hanky if he was feeling emotional about it, as she was sporting the mysterious item all night.

Of course, SHE could also have been feeling emotional.

The premiere was a big deal, and saw hordes of fans cover Hollywood Boulevard in a bid to see their idol.

It was bound to be moving for the purple-haired starlet, who rocked one of her best looks yet in a stunning red velvet dress.

She was also accompanied by her beloved grandmother, Mary Perry Hudson.

Hop aboard the party bus: Katy looked happy to be riding with the Bieber, but what's the mystery tissue all about

Hop aboard the party bus: Katy looked happy to be riding with the Bieber, but what's the mystery tissue all about

Hop aboard the party bus: Katy looked happy to be riding with the Bieber, but what's the mystery tissue all about

Showbiz pals: Bieber covered his face as he rushed behind Perry

Showbiz pals: Bieber covered his face as he rushed behind Perry

Katy dazzled on the pink carpet at Grauman's Theatre before changing into a popcorn skirt, then tight short knickers for her performance.

The last change came for the post premiere fun and saw her slip into a black corset dress decorated large navy spheres.

Perry didn't disappoint with her earlier performance, bursting out of a giant popcorn bag in an
impressively film-themed dress complete with film-reel bra and waistband
and giant popcorn detail on the red and white striped skirt.

A pair of pink heels and red cats eye sunglasses with candy detail completed the look.

It's dark, Selena... you can take the shades off: Gomez was right behind her boyfriend, though whether she could see him or not is another matter

It's dark, Selena… you can take the shades off: Gomez was right behind her boyfriend, though whether she could see him or not is another matter

If you're having fun, Robert... please tell your face: Pattinson also rode in the superstar fun bus

If you're having fun, Robert... please tell your face: Pattinson also rode in the superstar fun bus

If you're having fun, Robert… please tell your face: Pattinson also rode in the superstar fun bus

However, the popcorn skirt didn't
remain on for long, with Perry whipping it off during her performance to
reveal a pair of high waisted pants.

The undergarment was decorated with American candy bars, perhaps in keeping to the cinema snack theme.

Yesterday, the star had tweeted that her 'costume' for the premiere would be 'so yolo.'

In
Internet speak, 'yolo' stands for 'you only live once, although it's
not clear if this is the acronym Perry was referring to.

She looked relaxed and confident as
she posed on the bright pink carpet in the Los Angeles sunshine outside
the legendary theatre, and was at one point seen escorting her
grandmother Mary Perry Hudson inside.

Practical: Katy has assistants to blow her nose for her so the tissue is curious

Practical: Katy has assistants to blow her nose for her so the tissue is curious

Lining: The strange item could be the dress lining, but it doesn't sit right

Lining: The strange item could be the dress lining, but it doesn't sit right

The star
seemed a little overwhelmed at the attention today, tweeting a
photograph of the long pink carper running down a substantial portion of
Hollywood Boulevard, complete with the caption: 'WHAT HAVE I CREATED'

The premiere attracted an impressive array of fans, and Perry greeted them with an enthusiastic wave from a raised platform.

The
3-D film Katy Perry: Part of Me documents the singer's life last year,
and will cover the collapse of her marriage to Russell Brand.

The film begins just two months after Perry and Brand married and follows the star on her hit California Dreams tour.

Celebrity transit: You can just spy Pattinson on the bus as Perry makes to get off

Celebrity transit: You can just spy Pattinson on the bus as Perry makes to get off

The Biebs: Justin invited his friends to hop aboard his $200,000 mini van

The Biebs: Justin invited his friends to hop aboard his $200,000 mini van

According
to MTV, Brand is featured throughout Part of Me, with Perry talking
candidly about the British comic and actor throughout the film, even
revealing that her skyrocketing career could have contributed to the
downfall of her marriage.

'I thought to myself, “When I find that person that's going to be my life partner, I won't ever have to choose,' she says. 'They won't be threatened or have weird motives. Then I started to realise, that's not true.'

Ladylike: Perry manged to alight in a ladylike manner

Ladylike: Perry manged to alight in a ladylike manner

Odd couple: Thankfully they're not as Selena was right behind

Odd couple: Thankfully they're not as Selena was right behind

However, when the singer is asked in the film
whether she still misses Brand, she apparently begins to cry and admits that she
does, but says she did everything she could to make the relationship work.

'I have that same belief system with everything, from career to my life
to my personal life, everything,' she says. 'And I will do everything it takes to
not fail. And I did everything it took, but it still
failed.'

However, she looked in good spirits today as she was joined by a smattering of celebrities for the afternoon event.

Red velvet: Katy Perry looked stunning in a vintage style strapless red gown and matching shoes as she stepped out at Grauman's Theatre in Hollywood for this afternoon's premiere of Katy Perry: Part of Me

Red velvet: Katy Perry looked stunning in a vintage style strapless red gown and matching shoes as she stepped out at Grauman's Theatre in Hollywood for this afternoon's premiere of Katy Perry: Part of Me

Making her mark: Perry bursts out of a popcorn packet in a movie themed dress complete with film reel bra and waistband and a giant popcorn skirt during her on-stage performance

Making her mark: Perry bursts out of a popcorn packet in a movie themed dress complete with film reel bra and waistband and a giant popcorn skirt during her on-stage performance

Power couple: Justin Bieber led the way as girlfriend Selena followed closely behind

Power couple: Justin Bieber led the way as girlfriend Selena followed closely behind

Selena Gomez looked stunning in a beaded hot pink fringed mini dress with matching lipstick.

She posed alongside boyfriend Justin Bieber's prodigy Carly Rae Jepsen who looked striking in a royal blue dress and neon yellow shoes.

Kathy Griffin also arrived in a slinky black dress, and comic actor Seth Green brought his wife Clare Grant for the show.

VIDEO: Katy a hit on and off screen at the premiere of Part Of Me…

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