It's Mother's Day, and it seems like all the stars are celebrating!
Here's a roundup of the maternal celebrations happening today.
NEWS: Stars Post Adorable Throwback Pics of Their Moms
Reese Witherspoon, who hosted SNL last night, posted a photo of her and her mom:
Rihanna honored her mother with a photo:
Jeremy Renner posted a photo of himself with fellow Avenger Scarlett Johansson with a Mother's Day message (she welcomed her first child, daughter Rose Dorothy, last year):
"Happy FIRST Mother's Day to you!" Renner wrote. "What a beautiful blessing for you and your girl."
Elizabeth Banks tweeted a pic of herself and her mom:
Heidi Klum is celebrating in Germany with her own mother:
PICS: Stars and Their Adorable Kids
Gabourey Sidibe wished a Happy Mother's Day to "all mothers but especially mine who is the best!"
Rob Lowe posted a message to his wife, Sheryl, who's mom to his two sons Matthew and John:
Beyonce posted a side-by-side photo of her mom, Tina Knowles with a baby Bey, next to one of grown-up Beyonce today with her own baby, Blue Ivy. Blue Ivy looks just like her mom did as a kid!
Hugh Jackman showed us where he gets his smile from:
Dwayne "The Rock" Johnson shared a beautiful, emotional story about his mother, ending with the tale with, "And Happy Mother's Day to my amazing mom who will no doubt kill me for posting this crying pic."
Nicki Minaj also wrote about her relationship with her mom:
"Happy Mother's Day Mommy. Love u. Thank u. For everything you did," she captioned the photo. "Everything you said. The times I can't hear or see you but I know you're watching. The times u told me not to give up. Hope I make u proud mama. Love you forever. - Onika"
Watch Sharon and Kelly Osbourne discuss why they're best friends with one another: