Miley Cyrus shows off her shrinking figure in a tiny vest dress… but is she taking the diet too far?

Miley Cyrus shows off her shrinking figure in a tiny vest dress… but is she taking the diet too far

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UPDATED:

09:17 GMT, 17 May 2012

She sticks to a strict exercise regime and is regularly seen attending Pilates classes sometimes twice a day.

And while all that hard work certainly seems to have paid off, Miley Cyrus may be in danger of taking her diet plan too far.

The 19-year-old singer looked incredibly thin in a grey vest dress which left little to the imagination.

Reaping the rewards: Miley Cyrus showed off the results of her regular Pilates classes in a slinky grey dress

Reaping the rewards: Miley Cyrus showed off the results of her regular Pilates classes in a slinky grey dress

But she appeared to have the 'lollipop' head look which is typical of celebrities whose frames have shrunk leaving their heads looking out of proportion.

The 19-year-old was spotted leaving her Miami hotel in the mini dress which she wore without a bra.

The singer and actress accessorised with sunglasses, several gold chain necklaces and a grey holdall bag.

She was spied stepping out of her hotel with mother Tish, who accompanied her famous daughter to the Florida city.

Warm welcome: Miley happily greeted a host of fans who were waiting for her outside her hotel

Warm welcome: Miley happily greeted a host of fans who were waiting for her outside her hotel

Unforgiving: The clingy grey dress revealed the extent of the singer's weightloss

Unforgiving: The clingy grey dress revealed the extent of the singer's weightloss

Unforgiving: The clingy grey dress revealed the extent of the singer's weightloss

Waiting outside for Miley was a gaggle of female fans and the star took the time to greet her admirers, happily posing for pictures with her arms wrapped around them.

Miley seemed in good spirits and appears to be having a great time in the sunny location, but it seems the star is missing her pet pooches while she is away.

Oh mama: Miley was seen stepping out of her Miami hotel alongside mother Tish

Oh mama: Miley was seen stepping out of her Miami hotel alongside mother Tish

She wrote on her Twitter page on Monday: ‘I miss my babies at home. homesick already.’

But Miley’s dog Happy, who she rescued after he was abandoned outside a Walmart store, was lucky enough to accompany his owner on the trip.

The star, who has five dogs, will presumably also be missing her boyfriend Liam Hemsworth, but the Hunger Games actor bid her a fond farewell before she headed to the airport on Monday.

Frequent flier: Miley seen leaving her hotel in South Beach with her new puppy, and right, at LAX airport as she flew the Sunshine State

Frequent flier: Miley seen leaving her hotel in South Beach with her new puppy, and right, at LAX airport as she flew the Sunshine State

Miley seen leaving her hotel in South Beach with her new puppy, and right, at LAX airport as she flew the Sunshine State