At its Tuesday morning Paris Fashion Week show, Chanel's front row boasted a guest cute enough to melt even the coldest of couture-clad hearts: 4-year-old Emme Anthony.

Sandwiched between mom Jennifer Lopez and her mom's man, Casper Smart, the tot -- wearing a pink ribbon in her hair -- took in Karl Lagerfeld's Spring/Summer 2013 collection for the iconic Parisian fashion house. (Her twin brother Max missed out on the presentation.)

PHOTOS: Jennifer and Marc, the way they were

During the show, Lopez, 43, sat next to legendary photographer Patrick Demarchelier, while Smart, 25, chatted with his neighbors, Lagerfeld's boyfriend Baptiste Giabiconi and Kanye West.

Recently, a source close to the "Dance Again" singer told Us Weekly how close Smart has become to Lopez's twins with Marc Anthony.

"He loves playing with them," says the source.

PHOTOS: Jennifer Lopez's life with her adorable twins

As for his bond with Lopez, whom he started seeing last fall?

"He's madly in love with her," another insider says. "It's not just that she's his lover, she's also his best friend."

This article originally appeared on PIC: Aww! Jennifer Lopez's Daughter Emme Anthony, 4, Sits With Mom and Casper Smart at Paris Fashion Week Show