The Oscar-winning actress Natalie Portman has created quite a name for herself in the acting industry, dazzling audiences with dark performances such as Black Swan to light and charming romantic comedy roles such as No Strings Attached.  With such a widespread reputation, it's nearly impossible to stay out of the spotlight. Rumors ranging from marriage plans, to hidden pregnancies and catfights have roamed the Internet, and here are the top five contenders.

1. Is Natalie Portman Secretly Married? Speculations have been spanning the Web about Portman's alleged secret marriage to beau Benjamin Millepied. The two were seen wearing rings at Sunday's Oscar ceremony, leading some to believe that the two were subtly revealing a marriage. Jeweler Jamie Wolfe confirmed that she custom created the rings for the couple, but no marriage plans have been officially announced. Portman and Millepied met while filming Black Swan, and after winning the Best Actress she said, My beautiful love, Benjamin, who has now given me my most important role of my life.

2. Is Natalie Portman Pregnant Again? In Oct. Portman was seen carrying her son Aleph in Hollywood Calif., sporting what seemed to be a baby bump under a plaid button-down shirt. However, now nearly five months later no other rumors have surfaced regarding a second pregnancy.

3. Was Natalie Portman Jealous of Mila Kunis During 'Black Swan?' In Dec. 2010 the National Enquirer reported that Portman, who played the lead ballerina role, was upset by the pre-Oscar buzz surrounding Kunis for her performance that year.  This was supposed to be Natalie's BIG role, so she's totally upset that Mila is getting so much praise, a source told the magazine.  However, Portman was quick to disprove that rumor to Gossip Cop, with a rep telling the website that is absolutely not true.

4. Natalie Portman vs. Scarlett Johansson? The 2006 historical drama, The Other Boleyn Girl, starred two leading ladies in the film world, Portman and Scarlett Johansson. Rumors circulated that the two actresses engaged in a rivalry on set, but according to SocialiteLife.com the speculations were false. Actor Eric Bana, who also scored a lead role in the movie, told Sky News Online that the two women pushed each other to perform at their best.

5.Natalie Portman vs. Demi Moore? In 2010, rumors sparked that Ashton Kutcher's then-girlfriend Demi Moore was bothered by his role with Natalie Portman in the romantic comedy No Strings Attached. It's driving Demi crazy, a source told In Touch. She knows how much Ashton loves her, but she's concerned that he is working with Natalie, who's almost 20 years younger than she is. However, there was never any confirmed relationship between Portman and Kutcher.