Mario Lopez and Courtney Mazza Welcome a Baby Girl!  —  “Extra's” Mario Lopez and girlfriend Courtney Mazza welcomed a healthy baby girl, Gia Francesca Lopez, weighing in at 6 lbs, 4 oz, on Saturday, Sept. 11 in Burbank, CA.  Mother and baby are doing well.  —  “We are so overjoyed.

Lindsay Lohan's Big Awards Show Surprise  —  Lindsay Lohan is going back to work.  —  Sorta.  Kinda.  —  I can exclusively reveal that LiLo will make an appearance on tomorrow's MTV Video Music Awards...  This will be the embattled starlet's first formal return to the spotlight since being released from jail and rehab.

EXCLUSIVE: Jennifer Aniston & John Mayer's Atlanta Hook-Up  —  Jennifer Aniston is in Atlanta shooting her next movie Wanderlust and RadarOnline.com has learned that she wandered right on over to Aaron's Amphitheatre in nearby Lakewood, Georgia Wednesday night to catch John Mayer's show.

PHOTOS: Miley Cyrus & Liam Hemsworth Are Back On  —  Miley Cyrus and Liam Hemsworth are back together, RadarOnline.com has learned.  The pair was photographed together getting lunch in Los Angeles Saturday.  —  PHOTOS: Miley Cyrus & Liam Hemsworth Back Together

Spencer Pratt — I Was Arrested in Costa Rica  —  We're not vouching for Spencer Pratt, but his people tell TMZ Spencer was busted at an airport in Costa Rica for illegal possession of a firearm.  —  As the story goes ... Spencer was on his way out of the country when he was busted for felony possession.

Vivid Prez: Karissa Sex Tape ‘Most Extreme’ Tape Ever  —  For those of you disappointed the Heidi Montag sex tape has been kiboshed (for now), don't worry — the Karissa Shannon tape promises to the be-all and end-all of celeb sex tapes.  —  As we first reported, Vivid Entertainment …

Rapper Busted for Carrying Concealed Weapon  —  Rapper Petey Pablo was arrested this morning at an airport in North Carolina on weapons charges after he allegedly tried to sneak a gun through airport security.  Does he not know what day it is?  —  According to cops, Pablo was busted …

Jon Hamm & Ben Affleck's (Imaginary) Sex Scenes Too Raunchy for the Movies  —  Ben Affleck shares some steamy scenes with Blake Lively and Rebecca Hall in his new film The Town - and don't forget about costar Jon Hamm.  —  “My sex scenes with Ben, which were cut, I think, wisely …

Swift to sing about West debacle this year at VMAs  —  NEW YORK — Be warned, Kanye: Taylor Swift has written a song about you, and she's singing it at Sunday's MTV Video Music Awards.  —  The country superstar's win for best female video last year was marred when Kanye West got on stage and said it should have gone to Beyonce.

Michael Richards Sued for Brutal Beatdown  —  “Seinfeld” star Michael Richards allegedly unleashed a devastating ass kicking on a photographer in L.A. last month ... this according to a new lawsuit obtained by TMZ.  —  According to the suit, photographer Brendon O'Neal claims Richards approached …