(NECN/ABC) - "Fall Out Boy" Pete Wentz is "Rocking the Vote" at the Democratic National Convention. The group also used the occasion to release its third album, which they say is a political record. In fact, Wentz says his parents met while working on a Joe Biden campaign. Brad Pitt and two of his boys are in Venice for the premiere of the new Coen Brothers movie "Burn After Reading" at the Venice Film Festival. Pitt and co-star George Clooney are also raising money for their charity, "Not on Our Watch," which so far has raised $7 million to help victims of the humanitarian crisis in Darfur and of the cyclone in Myanmar. Hip Hop producer Dr. Dre is mourning the death of his son. The 20-year old was found dead at home by his mother who tried to wake him up Saturday morning. He had been out with friends the previous night. No foul play is suspected. ABC's Carla Wohl has more in this showbiz wrap-up.