"I'm done with being a bitter witch."
—The Grammy winner told Vogue when she vowed to never write another breakup song
"Like I said to my makeup artist, I wanted more powder."
—The E! reality queen joked to us exclusively after being flour bombed on the red carpet while promoting her fragrance True Reflection
"We do look very different, we're older...You know, he's fatter now—I'm thinner. It's true though!"
—The Titanic star ribbed Leonardo DiCaprio on the U.K. show Daybreak while promoting the film's 3-D release
"Your penis was a revelation. I'm available to work with it anytime."
—The Prometheus star gushed about costar and Shame star Michael Fassbender's member at the Human Rights Campaign Gala
"It's a bit startling to achieve global recognition before the age of 30 on account of your sister, your brother-in-law and your bottom."
—Kate Middleton's little sister wrote in her book, Celebrate: A Year of Festivities for Families and Friends
"Ain't nothin' wrong with bein' a little gay. Everybody's a little gay."
—Pageant queen and "poodle" enthusiast Alana Thompson declared on her TLC reality series, Here Comes Honey Boo Boo
"Why did I get put in jail and a nickelodeon star has had NO punishment(s) so far?"
—The former Disney star tweeted (then deleted) about Amanda Bynes and her many police run-ins this year
"Jeah!"
—The swimmer tweeted extensively during the Olympics, later trademarking it as his official catchphrase
"I love him, I love him, I'm so sorry!"
—The Twilight star apologized via statement to People after photos of her cheating on boyfriend Robert Pattinson surfaced
"This all dates back to when we were growing up together in Kenya."
—The president joked about his long-running feud with birther Donald Trump on The Tonight Show with Jay Leno
NEXT GALLERY: Top 10 Celebrity Mysteries of 2012