Paris Hilton is overjoyed as she celebrates her daughter London Marilyn's first birthday! On Monday, Nov. 11, the iconic reality star and DJ, now 43, took to Instagram to commemorate the special ...

"He was incredibly happy and hugging all his guests," a source tells PEOPLE of the actor Stephane Cardinale - Corbis/Corbis via Getty Leonardo DiCaprio is living it up for his 50th birthday!