Mother's Day with the Stars

Model Miranda Kerr celebrated Mother's Day with two-year-old son Flynn. (Instargram)

Pink with her daughter. (TWITTER)

'Being a mom is the best feeling in the world,' Alessandra. (Instargram)

Britney Spears posed with sons Sean Preston, seven, and Jayden James, six. (TWITTER)

Kris shared a photo of herself surrounded by her six children. (TWITTER)

Kendall uploaded a composite of two photos of herself as a baby with mother Kris. (TWITTER)

'I flew my beautiful Aunt @doro11tea to surprise & celebrate Mothers Day with @mamamilian! #tears were definitely flowing..' Christina Milian wrote of her day.  (Instargram)

Snooki celebrated Mother's Day. (TWITTER)

Tori Spelling posed with her four children. (TWITTER)