Jennifer Lopez's On Set Visitor: Emme!

Jennifer Lopez gets a special visit from her little lady, 15-month-old daughter Emme Maribel, while on the set of her upcoming flick, The Back-Up Plan, which continues to shoot in Los Angeles on Thursday.

Jennifer, 39, is also mom to Emme’s twin brother, Maximillian David.

Emme wears Genuine Kids from OshKosh Floral Lace Tunic Top ($7).

Click below for a second shot!