Kim Kardashian & Calvin Harris Help Celebrate Jennifer Lopez's Birthday!

Kim Kardashian holds up Jennifer Lopez‘s birthday cake in this new group picture posted by French Montana on Instagram!

The entertainer turns 47 years old TODAY (July 24). Happy Birthday JLo!!!

Kim, French, Calvin, Maria Menounos, John Stamos, Casper Smart, and more were on hand to have an early birthday celebration after everyone attended Jen‘s All I Have show earlier that night in Las Vegas.

Kim and Calvin “did talk and interact, smiling and chatting for awhile,” a source shared with Us Weekly.

Kim and Calvin‘s ex Taylor Swift are notably in a huge feud over Kanye West‘s song “Famous” and Calvin was most recently seen rapping to a Kanye song on social media.

FYI: Jennifer is wearing Balmain.

Click inside for Snapchat screenshots from the party…