Kim Kardashian is still vacationing in Mexico with hubby Kanye West, but fear not -- she's been very active on Instagram!

On Wednesday the reality TV starlet shared a picture of herself smooching daughter North West after the 13-month-old celebritot took her first steps, and of course, Kim also posted a photo of her curvaceous bod in a brown bikini. Hot mama!

"Our baby girl finished one week of swimming lessons today then took her 1st steps right when she got out of the pool!!!! Mommy & Daddy are so proud of you!!!!" Kardashian wrote, adding, "Photo cred: Daddy." Awww!

The couple, who got married on May 24, are currently in Punta Mita at pal Joe Francis' house, Casa Aramara.