Jennifer Lopez' twin babies are little divas already. Max and Emma aren't even four months old and they refuse to be seen twice in the same outfit!

Since they can't talk, they have no choice but to go along with mommy's decision to never let them repeat an outfit.

Recently J-Lo was approached about donating some gowns to a charity auction. She agreed and also asked if she could donate some of her kids' clothes.

A source said, "She also offered some of Max and Emme's clothes, telling organizers that she never lets them 'repeat' outfits. But the auction deals only in adult clothes. Jennifer told them it was a shame, as some items cost over $1,000 each."