Bikini babe Audrina Patridge heats things up on Mexican beach break in tiny blue two-piece

Bikini babe Audrina Patridge heats things up on Mexican beach break in tiny blue two-piece

Bikini babe Audrina Patridge heats things up on Mexican beach break in tiny blue two-piece

1:45 PM on 30th May 2011

Bikini babe: Audrina Patridge shows off her flat stomach and muscular physique on holiday in Mexico

Bikini babe: Audrina Patridge shows off her flat stomach and muscular physique on holiday in Mexico

Good spirits: The reality star appeared to be enjoying herself, basking in the sunshine and laughing with friendsGood spirits: The reality star appeared to be enjoying herself, basking in the sunshine and laughing with friends

Good spirits: The reality star appeared to be enjoying herself, basking in the sunshine and laughing with friends

Snap happy: Audrina giggled as she took a photo of a friend on her iPhone

Snap happy: Audrina giggled as she took a photo of a friend on her iPhone

Ready for action: Audrina looked cute in a pair of beige trousers and red hat as she took a polo lesson

Ready for action: Audrina looked cute in a pair of beige trousers and red hat as she took a polo lesson

“Real chemistry”: Audrina appeared to have hit it off with her polo instructor as she picked up the sport