Priyanka Chopra
The actress posted a photo of her and husband Nick Jonas' family, writing, "Family first.. Mother's Day celebrations.. to my mom @madhumalati And all the amazing mothers who have been incredible influences in my life. Thank you and I'm so grateful.. just tell ur mom you love her.. give her a hug. Feel the love. Miss u mom."
Prince Packson
The eldest son of the late Michael Jackson posted this photo of him and grandmother Katherine Jackson at his graduation from Loyola Marymount University in Los Angeles, writing, "Let's really celebrate the some of the strongest women I have been fortunate to know and love so closely in my life and who deserve recognition on Mother's Day."
Nicole "Snooki" Polizzi
The Jersey Shore star, who is pregnant with her third child, appeared with her daughter Giovanna and son Lorenzo and wrote, "Happy Mother's Day to all the amazing MAWMA'S our there! Keep being fierce as hell...This is the only day my kids are actually listening to me because any inconvenience that happens I say 'Kids, it's Mother's Day' & I immediately get 'sorry mom love you.'"
Kourtney Kardashian
The reality star shared this photo of her with kids Mason, Penelope and Reign during a trip to Portofino, Italy, writing, "My heartbeat."
Ben Affleck
The actor posted this photo of ex-wife Jennifer Garner and his mom Christine Anne Boldt, writing, "Happy Mother's Day to the two incredible mothers who have shown me the meaning of love. Today I am making donations to two organizations in their honor: @cut50's #DignityForIncarceratedWomencampaign, a national initiative to help reduce the prison population while making our communities safer, and @NationalBailout, an incredible organization that works with groups all over the country on Mother's Day to bail out black moms and caregivers, provide supportive services and fellowship opportunities to help end money bail and pretrial detention."
Kylie Jenner
The Keeping Up With the Kardashians star posted a photo of her and Travis Scott's 1-year-old daughter Stormi Webster.
Michelle Obama
The former First Lady shared this photo of her and former President Barack Obama's daughter Malia and Sasha, and her own mother, Marian Shields Robinson.
Serena Williams
The tennis star posted this photo of her and husband Alexis Ohanian and their 1 and 1/2-year-old daughter Alexis Olympia Ohanian, Jr.
Kris Jenner
The Keeping Up With the Kardashians momager shared this photo collage of her mother, her kids and her grandchildren, writing, "Happy Mother's Day to all of the beautiful Moms out there, and to the women who are mentors and mother figures to someone special. To my amazing Mom MJ, I love you more than you will ever know. Thank you for raising me to be strong and independent and for loving me the way you do. To my beautiful daughters who are moms, I am so proud of you girls and the mothers you have become.. my grandchildren are so blessed that God chose YOU to be their mommies.. I love you @Kourtneykardash @kimkardashian @khloekardashian @kyliejenner... you are my heart ❤️#happymothersday."
Chris Hemsworth
The Avengers star posted this photo him with wife Elsa Pataky and his mother Leonie Hemsworth, writing, "Happy Mother's Day to all the legendary mums out there!! Especially my two favorites here! We owe you the world . @elsapatakyconfidential #mum."
Kevin Jonas
The Jonas Brothers singer posted this photo of him with wife Danielle Jonas and their daughters Alena Jonas, 5, and Valentina Jonas, 2, writing, "I can't say enough about this incredible woman. You are the most amazing mother and best friend anyone can ask for. You always put yourself second to the needs of others and especially our family. You amaze me every day! I love you @daniellejonas happy Mother's Day!"
Jamie Lynn Spears
The star, a mother of two, shared this throwback photo of her with mom Lynne Spears and sister Britney Spears, writing, "Happy Mother's Day to these two beautiful women, who taught me everything I know about being a momma."
Jenni "JWoww" Farley
The Jersey Shore star posted a video of herself getting a paint makeover from her 3-year-old son Greyson, her and ex Roger Mathews' youngest of their two children.
Madonna
The pop queen posted this photo of two of her six children on Mother's Day.
Diane Kruger
The actress posted on Instagram this rare photo of her with her and partner Norman Reedus's daughter, quoting from Robert Munsch's book I Love You Forever: "I love you forever / I'll like you for always . As long as I'm living / My baby you will be."