The Beautiful Reason Why Kelly Clarkson Cried on Her First Mother's Day

Kelly Clarkson is one of the stars who celebrated their first Mother's Day this weekend, and the singer didn't hold back while describing her experience. On Sunday, Kelly posted an adorable photo of her and husband Brandon Blackstock's baby girl, River Rose. She used the caption to share a story about her beautiful day with her family, including stepchildren Savannah and Seth. "My husband had this little nugget scribble on a Mother's Day card for me today," she wrote. "I cried." Read Kelly's full message below, and then find out how other stars celebrated Mother's Day.

My husband had this little nugget scribble on a Mother's Day card for me today. I cried. Best gifts I've been given are all 3 of my kiddos #River #Savannah #Seth Being a mother is the greatest thing I'll ever do. My career inspires me but my family gives me this constant state of euphoria that is all consuming and ever growing and sometimes hard but completely worth it. Happy Mother's Day to every single mama on the planet! You're beautiful! You're inspiring! And you create the future!! What the hell, that's so amazing?!