Unexpected! Brad Pitt Shows Up At Ex-Wife Jennifer Aniston's 50th Birthday Party

On the award season with two big events: Grammys and BAFTAs, Jennifer Aniston hosted a star-studded party to celebrate her 50th birthday, and Brad Pitt must be an astounding guest.

Jennifer's birthday celebration was in Los Angeles at Sunset Tower with a host of A-lister in attendance. The actress has turned fifty but showed no sign of aging. Being one of the beloved actresses in the Hollywood, Katy Perry, Ellen DeGeneres, Orlando Bloom, Gwyneth Paltrow, Lisa Kudrow, Reece Witherspoon, Sandra Bullock, Cindy Crawford,  Diane Keaton, Robert Downey Junior, David Arquette, Jason Bateman, Kate Hudson and Barbara Streisand grace the birthday bash and blessed her.

A source reported that her ex-husband was spotted at the birthday party but tried to minimize his appearance by wearing a flat hat and a dark shirt as he exited an SUV and made his way inside. Pitt was witnessed to arrive 45 minutes after Aniston and seemed to be in a "good mood and happy to be there."

Brad Pitt and Jennifer Aniston once were one of Hollywood's most glamorous couples when they tied the knot in July 2000 in a jaw-dropping Malibu wedding, before finalizing their divorce in October 2005.

An insider said.

While Pitt went on to remarry and file for divorce from Angelina Jolie, Jen married and divorced fellow actor Justin Theroux.

And now the news that Aniston invited Pitt to her birthday party has sent hearts racing around the world and left us to wonder are they just rekindling their friendship or is it more?