Olympic gold medalist Shawn Johnson was forced to retire at the tender age of 20, putting an end to her bid to make the 2012 U.S. Olympic Gymnastics team after suffering one too many setbacks from a knee she injured during a 2010 skiing accident. She told the AP, in so many words, that, although she's a world-class…

Chicago, July 23: Shawn Johnson competes on the balance beam during the Covergirl Classic gymnastics competition. The 2011 CoverGirl Classic is the final qualifying event for the 2011 Visa Championships, which is USA Gymnastics' national championship scheduled for Aug. 17-20 in Saint Paul, Minn. (AP Photo/Paul Beaty)

• In yet another taped phone conversation, Mel Gibson has a rageful, semi-incoherent meltdown, uses an ethnic slur, and tells Oksana Grigorieva, "You're a fucking using whore…I own you... You don't count."

• Rielle Hunter is reportedly suing Andrew Young, author of the The Politician, for all profits from the memoir's sales.

• Heidi Montag has filed for a legal separation from Spencer Pratt, citing "irreconcilable differences." Heidi is representing herself and accidentally went to the wrong courthouse this morning, but she did manage to tip-off the paparazzi without Spencer's help.

Held last night in Las Vegas in preparation for the show on Saturday, the Miss America prelims featured glitter, animal prints, and smiles so wide they just had to hurt.

• Today a judge ruled that Jon Gosselin must pay back $180,000 of the money he removed from his shared bank account with Kate Gosselin in violation of an arbitrator's order. As for the rest of the money...

• Looks like Lindsay Lohan's stalking paid off: Her new Twitter message says:

• Is Britney being forced to tour? An insider says she's emotionally fragile, but her father insists the show must go on. The source claims:

• Rihanna will be subpoenaed to testify at a preliminary hearing on June 22 to determine if there is enough evidence to prosecute Chris Brown for assault, and her lawyer says she'll be there. Also required to attend: Chris Brown.