Jessica Lowndes shows off her sexy bikini body

Where does she put it? Jessica Lowndes shows off her sexy bikini body as she indulges in cupcakes

There's no doubt that Jessica Lowndes knows how to party.

Taking full advantage of her holiday time between shooting her final episodes of show 90210, the 24-year-old actress was spotted lounging poolside with friend Ashley Barron in Miami, Florida on Thursday.

The two wore similar bandeau bikinis, with Jessica in navy and Ashley opting for a pink and orange two piece.

Holiday: Jessica Lowndes was spotted lounging poolside with her gal pal Ashley Barron in Miami, Florida on Thursday

Spot some eye candy? Something appeared to have caught the girls' attention in the distance

Cupcakes for dinner! 'Thumbs up for the cupcake diet @AshBarron #lovinlife' Jessica said

Enjoying their time together, the duo were seen smiling as they engaged in girl talk and shared pictures of themselves on Instagram.

Capturing their bronzed skin as they sprawled out on bright white towels, Jessica posted: 'Sun kissed @ Miami.'

Not afraid of some water, the two appeared to have splashed around a bit, as they were both sporting wet hair.

Abs-mazing: Jessica's stomach looked tanned and toned as she relaxed in the warm weather

Girl talk: Jessica appeared to be laughing as she and her friend chatted and worked on their tans

Designer duds: Jessica and her friend toted around a taupe Celine bag with them

Fun with friends: The girly trip seemed to be just what Jessica needed as she made the most of some time off

But the Miami trip wasn't just for fun, as the rising star also attended an event for work.

'Come celebrate @HMUSA #HMConsciousExclusive Launch today in Miami! 5-8pm - 551 Lincoln Rd. See you there!!! Xo,' the starlet tweeted after bathing in the sun.

Yet, that didn't stop her from letting her hair down.

Lovely in lace: Jessica looked amazing at the launch of H&M's second eco-friendly Exclusive Conscious collection

Fashion fan: The star showed her stylish and environmentally friendly side at the event

Frock star: Victoria Justice looked cute in a cocktail dress as she attended the same event simultaneously - but in West Hollywood

Announcing her arrival on Wednesday, Jessica tweeted: 'Can you say: welcome to Miami and Bienvenido a Miami @AshBarron? :)' along with a snapshot of Ashley and herself all dolled up, ready to hit the town.

The actress followed with a picture of them in bikinis: 'Hey, you look kinda cute in that polka dot bikini girrrrrl @AshBarron @ Miami.'

Jessica donned a green string bikini, revealing plenty of cleavage with her plunging neckline.

Self snaps: Jessica tweeted this picture of the 'sun kissed' on Thursday  

We're here! 'Can you say: welcome to Miami and Bienvenido a Miami @AshBarron? :)' Jessica tweeted

Showing off her natural beauty and freckles, the actress went make-up free, as her silky brunette tresses flowed past her shoulder.

It seems the twosome's enviable figures come naturally to them, because the TV star indulged in delicious looking cupcakes for dinner.

'Dinner is served...' she said, a fan of red velvet cupcakes herself. 'Thumbs up for the cupcake diet @AshBarron #lovinlife.'

Bikini babes: 'Hey, you look kinda cute in that polka dot bikini girrrrrl @AshBarron @ Miami' she posted