Paris Hilton shared a series of throwback photos twinning with her sister Nicky on Monday, Oct. 7, to celebrate her sibling's ...

Paris Hilton celebrated her sister Nicky Hilton's big day.Paris shared a carousel of childhood photographs on her sister's ...

Michael Douglas and Catherine Zeta-Jones shared birthday tributes to one another on social media as they turned 80 and 55, ...

Priyanka Chopra shows her love for to-be sister-in-law Neelam Upadhyaya on the occasion of her birthday. On Saturday, PeeCee ...

Lisa Marie Presley's twin daughters Harper and Finley marked their milestone 16th birthday, and their older sister Riley ...

Happy 20+20 Birthday ASHLEE…my forever best friend, life long companion and sister soulmate. You are the very first person that I ever held the capacity of love for and I have loved you more and ...

Riddhima Kapoor also shared a lovely wish for her "not so chottu bro" Ranbir Kapoor. She posted a montage of pictures in her ...

Paris Hilton is “sliving” for sister Nicky Hilton's 41st birthday ... Rose gold balloons that read "HAPPY BIRTHDAY NICKY" are seen surrounded by smaller pink and silver balloons.

Catherine Zeta-Jones left little to the imagination for husband Michael Douglas’ 80th as he calls her his ‘birthday sister’ ...

Ranbir Kapoor, who is celebrating his birthday today, received the sweetest messages from his mother, Neetu Kapoor, and ...

Angelica Wiggins, Andrew’s younger sister, took to her Instagram stories on Saturday to wish their late father a happy ...

Livvy started the day by sharing several birthday shoutouts from her close friends and loved ones, including sister Julz Dunne ... She captioned the photo, "HAPPY HAPPY BIRTHDAY OLIVIA PAIGE!