Many stars celebrated Mother's Day  with their mothers, significant others, and children yesterday — and while quite a few celebrities shared behind-the-scenes snaps of their special day, others were seen hitting city streets and the beach. Britney Spears  shared a sweet picture with her boys Sean Preston and Jayden James Federline, while a pregnant Halle Berry  celebrated the day by grabbing brunch with her daughter Nahla and fiancé Olivier Martinez. Meanwhile, ChanningTatum snapped a photo with his own mom, and Hilary Duff  splashed around in Mexico with baby Luca. Click through to see how the stars celebrated Mother's Day!
Jessica Alba  colored with her daughter Haven during Mother's Day  brunch.
Vida McConaughey took her mom Camila Alves jewelry shopping on Sunday in NYC.
Hilary Duff  celebrated Mother's Day  weekend in a bikini with her son, Luca, in Mexico.
Channing Tatum  shared a photo of himself with his mom and sent out Mother's Day  love to his wife Jenna Dewan-Tatum.
Justin Bieber gave his mom a big onstage kiss for Mother's Day .
Britney Spears  shared a silly snap of herself with her two boys over Mother's Day  weekend.
Jessica Alba  had a Mother's Day  brunch with her mom and family.
Miranda Kerr  spent Mother's Day  making balloon animals with Flynn.
Alessandra Ambrosio posted a photo of herself with her two children, Anja and Noah.
Pregnant Halle Berry  and her daughter Nahla Aubry went to Mother's Day  lunch on Sunday in LA and were joined by Olivier Martinez.
Selena Gomez  clutched onto her mom's possible baby bump on Mother's Day .
Heidi Klum  spent Mother's Day  relaxing in her pool.
La La Anthony posed for a sweet snap with her son, Kiyan.
Emmy Rossum spent Mother's Day  in the park with her mom.
Diddy  spent Mother's Day  with his children and ex-girlfriend Kim Porter.
Ashley Tisdale  posted an old snap and sent Mother's Day  wishes to her mama.
Christina Milian celebrated Mother's Day  with a big outdoor brunch with her mom.
Tori Spelling  celebrated Mother's Day  with her four little ones.
Jessica Alba  shared a sweet picture of her husband, Cash Warren, walking with their daughter Haven on Mother's Day .
Neil Patrick Harris  shared a hug with his mom on Mother's Day .
Gisele Bündchen posted a snap of her feet wrapped around a child's feet for Mother's Day .
Jessica Alba  posted a picture of her eldest daughter, Honor, hanging out with her mom.
Christy Turlington shared an old snap of her with one of her children.
Kate Beckinsale  watched the Beatles tribute show with her daughter, Lily Mo Sheen, and her ex, Michael Sheen, in LA on Sunday.