Taylor Swift vs Jessica Hart
No secret here: Jessica Hart doesn`t think Taylor Swift can cut it on the catwalk. "We`ve been working for 14, 15 years. What it takes to make it here comes from experience and confidence," the Aussie model told Women`s Wear Daily in 2013 following the "Mean" singer`s performance at the Nov. 13 Victoria`s Secret Fashion Show. But after the company`s chief marketing officer publicly praised Swift, Hart changed her tune. As she told Us Nov. 16, "I could never . . . do what she does. She is a true rock star!"
George Clooney vs. Russell Crowe
In the December 2013 issue of Esquire, Clooney claimed that Crowe had to apologize to him for "insulting the s--t out of me." "He picked a fight with me. He started it for no reason at all," the Monuments Men actor recalled. "He put out this thing saying, George Clooney,
Lady Gaga vs. Perez Hilton
The "Applause" singer`s friendship with the celebrity blogger came to an end in 2011. Gaga told Howard Stern in November 2013 that she felt "betrayed" by Hilton during an interview, and she doesn`t want to "be around fake people." On The Wendy Williams Show that same month, Hilton fired back, claiming, "She globs onto people, uses them and once they`re no longer of use to her, will just throw them aside."
Kanye West vs. Jimmy Kimmel
The rapper unleashed an all-caps Twitter tirade against the last night host after he aired spoof of West`s BBC Radio 1 interview in September 2013. "JIMMY KIMMEL IS OUT OF LINE TO TRY AND SPOOF IN ANY WAY THE FIRST PIECE OF HONEST MEDIA IN YEARS," he wrote.
Sinead O`Connor vs. Miley Cyrus
Irish singer O`Connor wrote an open letter to Cyrus in October 2013 telling the "We Can`t Singer" to stop prostituting herself. Cyrus responded to the letter by posting a photo of O`Connor ripping a photo of the Pope on Saturday Night Live in 1992 with the caption, "Before Amanda Bynes . . . There was . . . " O`Connor fired back with a letter of Facebook threatening to sue Cyrus for "abusing" Bynes and "every other sufferer of mental health problems and every person who suffered abuse at the hands of priests."
Christina Aguilera vs. Kelly Osbourne
Don`t you dare cross an angry Osbourne! Kelly Osbourne
let her feelings be known about pop songstress Christina Aguilera
during an August 2011 segment of E!`s Fashion Police
. "She called me fat for years," she sniffed. "I was never that fat." A few months later, Andy Cohen asked the red carpet host to say three kind things about Aguilera. "I think she`s looking way better right now, she`s got a great voice and she`s got a beautiful son," Osbourne finally responded after some thought.
Lady Gaga vs. Kelly Osbourne
The intense verbal sparring began in January 2013 when Sharon Osbourne
released an open letter to Lady Gaga
telling the singer and her fans to stop harrassing Kelly Osbourne
(a result of Kelly calling Gaga`s fans "the worst" in a previous magazine interview). Gaga then took to Facebook to slam Kelly`s Fashion Police
show, saying it made her "truly sad" that Kelly was being a bully herself on the red carpet. Sharon`s response? To call the pop singer a "publicity seeking hypocrite."
Rihanna vs. Karrueche TranRihanna
may have reunited with her on-again, off-again flame Chris Brown
now, but when the two split in February 2009 following a very ugly pre-Grammy night, Brown found comfort in the arms of another gal -- model Karrueche Tran
. And even though she had suffered multiple injuries at the hands of Brown, Rihanna took her anger out on Tran, often engaging in public Twitter spats with her ex`s new lady.
Chris Brown vs. Drake
Nothing gets the fire going more than a feud over a lady friend. Back in June 2012, Chris Brown and Drake were involved in a nasty bar brawl that left five people with minor injuries and Brown himself with a large cut on his chin. The ruckus reportedly began when Brown sent a bottle of liquor over to Drake`s table at a Manhattan nightclub, and Drake sent the bottle back with a note: "I`m still f---ing Rihanna."
Madonna vs. Lady Gaga
Imitation wasn`t exactly the greatest form of flattery for iconic pop singer Madonna
, who sparked a feud with pop star Lady Gaga
during her MDNA tour, claiming that Gaga took a cue from her famous 1989 song "Express Yourself" in her 2011 hit "Born This Way." Gaga`s response? "It sometimes makes people feel better about themselves to put other people down or make fun of them or maybe make a mockery of their work," the "Born This Way" singer said.
Taylor Swift vs. Kanye West
When Taylor Swift
took to the stage at the 2009 MTV Music Awards to accept her award for Best Female Video, Kanye West
had a thing or two to say -- and let America know it. "Yo Taylor, I`m really happy for you and I`mma let you finish, but Beyonce had one of the best videos of all time," he said as he stepped onstage next to a startled Swift to interrupt her acceptance speech. "Taylor Swift beat Beyoncé at the Grammys? Beyoncé be dancing in heels and s---," he later said
Jay Leno vs. David Letterman
Late night TV brawling: Jay Leno and David Letterman have long been the go-to men of late night talk shows, but their behind-the-scenes antics have been just as intriguing as the guests on their shows or their opening monologues. When Leno took over Johnny Carson`s seat as the host of The Tonight Show back in 1992, the two men`s friendship fell to the way-side. But in January 2013, Letterman gave his former pal a surprising compliment while speaking to Oprah Winfrey, calling Leno "the funniest."
Halle Berry vs. Gabriel Aubry
In April 2013, Halle Berry
happily confirmed she was pregnant with fiance Olivier Martinez
`s child, but her relationship with the father of her first child -- daughter Nahla
-- is a little less loving. The Call
star and her ex-boyfriend, model Gabriel Aubry
, split after five years in April 2010 and became engaged in a heated battle over custody of Nahla that finally dissipated in November 2012 when the exes finally called a cease-fire to their tug-of-war over their daughter.