Madonna posted a heartfelt birthday tribute on Instagram, sharing that her two daughters "bring nothing but Joy to everyone they meet" Georgia Slater is a staff editor on the Parents team at PEOPLE.

On Monday, the Brazilian supermodel gave a special shoutout to her twin sister, Patricia, on their joint 40th birthday, sharing a series of rare childhood photos of the pair growing up together.

Gracie Hunt and sister Ava, the daughters of Kansas City Chiefs owner Clark Hunt and Tavia Hunt, share a birthday and ...

Two of a kind! It's not often that Victoria Beckham shares photos alongside her younger sister Louise Adams but on Friday she ...

Precious star Gabourey Sidibe shared rare insight into the lives of her and husband Brandon Frankel's twins—including their ...

LA Rams quarterback Matthew Stafford's twin daughters Sawyer and Chandler turned eight years old on Monday. Their birthday ...

Kelly Stafford and Matthew Stafford couldn’t get their deposit back for their twins’ party, so they let the event move ...

On Friday, the actress celebrated her mini-me's birthday with a slideshow of sweet photos on Instagram that had everyone saying the same thing. “Happy Birthday angel boy,” Roberts captioned ...

PHILADELPHIA — Twin brothers who were born conjoined recently celebrated their first birthday after undergoing successful separation surgery. Amari and Javar Ruffin, whose family lives in ...