TWO-TIMING Brad Pitt stole away from galpal Charlize Theron to be with ex-wife Jennifer Aniston for her star-studded birthday bash, leaving his Atomic Blonde baby mama in a fury, insiders say.
The 55-year-old Troy hunk was spied slipping into Hollywood’s Sunset Tower Hotel where he joined celeb pals George and Amal Clooney, Reese Witherspoon, Ellen De-Generes, Demi Moore, Barbra Streisand and Kate Hudson to celebrate Jen’s 50th milestone.
Now Charlize is beside herself, pals say, as Hollywood is being swept by talk the former husband and wife hooked up over the summer, too.
“Charlize is fit to be tied,” says an insider. “She now feels like she was betrayed and duped by Brad!”
Pitt and Charlize, 43, are said to be expecting a baby — even though his divorce from…
