Jeremy Renner wished his Marvel costar Paul Rudd a happy 56th birthday with a hilarious Instagram slideshow, writing "I raise a glass to you … you sexy SOB!" ...

And while you might not see your sister as often as you'd like, her birthday is the perfect opportunity to express just how ...

O n your best friend's birthday, the celebration should be as special as they are! Start the day off with a heartfelt ...

Justin Bieber is grateful for his mom! On Wednesday, April 2, the “Peaches” singer, 31, shared a childhood photo of his mother Pattie Mallette on Instagram to celebrate her milestone 50th birthday.

Freddie Mercury, the famous Denver flamingo, celebrates his 55th with pool party fun and a zoo walk, showing age is just a number for this lively bird.