Although we rarely see them (except from Mom's balcony in Venice) these identical toddlers' big blue eyes and soft smiles are the sweetest in Tinseltown.
Whether Marc & Jennifer's tots enjoy a day at the beach with Mom or show up on stage in mini-formal wear, these fraternal twins make a perfect pair.
The fresh-faced first children, who look and dress refreshingly real, have brought a breath of fresh air back to the White House.
Sean and brother, Jayden James, could almost pass for twins (they're only a year apart), and are about the only good thing that came from Kev & Brit's short-lived romance.
Can't get enough of the cuteness? Five more celeb siblings.
MORE FROM BABBLE:
30 Funniest Celebrity Moms »
Tina Fey, Sherri Shepherd and other famous ladies who make us laugh.
Celebrity Baby Yearbook »
Our predictions for cutest future couple, most likely to succeed, and more!
10 Most Stylish Celebrity Kids »
Suri, Kingston, and other enviable kids' closets.
50 Cutest Celebrity Kids »
Best smile, funniest, and mom & dad look-alikes!