PHOTOS Kailyn Lowry shows off her trim bikini bod

Teen Mom Kailyn Lowry bikini photo after weight loss

Teen Mom 2 star Kailyn Lowry embarked on a public mission to lose weight towards the end of March as she announced on Twitter that she was doing the Insanity Workout by writing, “Gym time then #Insanity day #6! #leanbody” It’s a few months later and all we can say is… mission accomplished!

The 20-year-old single (but in a relationship!) mom tweeted the hawt bikini photo above, but humbly diverted attention from herself by writing, “My other half! @gigijhanna” in reference to her BFF (Bikini Friend Forever) Georgiana Hanna (in pink).

Kailyn also shared another bikini photo with her other gal pals, who are all currently enjoying the hot temperatures with a summer vacay in Ocean City, Maryland:

Kailyn Lowry and friends in bikinis in Ocean City Maryland

I’m guessing you figured it out on your own, but just in case, that’s Kailyn Lowry there in the same yellow bikini from above.

Meanwhile, while Kailyn is literally busting her butt to slim down, her son Isaac continues to look utterly dapper with little to no effort at all. Here they are frolicking in the pool in a photo shared by Kailyn last week:

Kailyn Lowry and son Isaac July 2012

Kudos to Kailyn for all the hard work – which hasn’t just resulted in a swimsuit-friendly body, but a healthier one too! So when’s the “Kailynsanity Workout” DVD coming out?!?

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