Hilary Duff shows off her curves on day out with Luca

Embracing the skinny jeans! Hilary Duff shows off her curves on day out with Luca

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UPDATED:

06:08 GMT, 23 September 2012

She might be on a mission to lose her baby weight at the gym.

But judging from the wriggling she would have had to do to get into her skinny jeans, Hilary Duff may have burned a few bonus calories while writhing on the floor.

The mother-of-one embraced her curves as she headed out with infant Luca in the figure-hugging baby blue denims.

Mum on the run: Hilary Duff looked a little overwhelmed as she carried Luca in Beverly Hills

Mum on the run: Hilary Duff looked a little overwhelmed as she carried Luca in Beverly Hills

She completed the outfit with a
simple white T-shirt and a pair of Isabel Marant Bekket sneakers – which
retail in the range of a cool $1000 and have a hidden wedge tucked inside them.

Despite the casual get-up, Hilary
still injected a glamorous touch, wearing diamond studs and having her
nails painted bright red.

And although the 24-year-old may have
looked a little weary carrying the baby carrier around Los Angeles on
Saturday, she was pleased to have some mother-son bonding to herself in
the evening.

Embracing the skinny jeans: Hilary showed off her figure in baby blue denim

Embracing the skinny jeans: Hilary showed off her figure in baby blue denim

Embracing the skinny jeans: Hilary showed off her figure in baby blue denim

She tweeted: 'Just me and Luc tonight! I get selfish baby time!! #bestcuddlerever'.

Hilary welcomed firstborn Luca into the world back in March, and has made no secret of trying to shift her baby weight in order to regain her pre-pregnancy body.

She said: 'Obviously, I'm not where I want to be… but I'm working hard and I'm doing everything I can to lose the weight the right way.

'I'm breast-feeding, so you have to be careful and not do anything too drastic.'

Glam vs. casual: Hilary may have opted for sneakers - but she didn't miss out on painting her nails

Glam vs. casual: Hilary may have opted for sneakers – but she didn't miss out on painting her nails