The SKIMS founder threw a ‘Hello Kitty’ themed birthday bash for her daughter and one of her friends at the Beverly Hills Hotel.

The ‘Inventing Anna’ star rocked a vintage outfit to ring in her birthday with a 2001 Dior swimsuit and a 1985 Manfred Thierry Mugler coat.

After saying he wants to ‘rebuild’ his relationship with his estranged children, Jon Gosselin sent birthday love to the sextuplets he shares with Kate Gosselin.

On her 37th birthday, Brittany Snow said that she feels ‘stronger’ after enduring a ‘hard’ year where she got divorced from her husband Tyler Stanaland.

Fresh off her Super Bowl performance, Rihanna celebrated her 35th birthday at a hotspot restaurant with her boyfriend A$AP Rocky and others.

Christopher Meloni showed some love to his longtime friend and co-star Mariska Hargitay, with a hilarious video on her 59th birthday.

Jessica Simpson gave a shoutout to her ‘hero’ mom, Tina Simpson, as she shared a sweet photo for the family matriarch’s birthday.

Fans initially thought Britney and Paris reunited at Hollywood agent Cade Hudson’s birthday party over the weekend, but the singer says photos Paris shared online are ‘from years ago’.

Justin Long called his girlfriend Kate Bosworth ‘the most beautiful human being I’ve ever seen,’ as he praised the actress on her milestone 40th birthday.

Christina Aguilera and her fiancé, Matthew Rutler, celebrated the singer’s birthday in Vietnam with an epic helicopter ride, a romantic boat ride, and more.