Sheryl Crow has been voted the most unlucky in love female in Hollywood.The 'All I Wanna Do' singer beat Jennifer Aniston, the ex-wife of Brad Pitt, to the unwanted title. Sheryl, 45, said: "I don't want to spend the rest of my life alone. That's the only true fear I have."The singer has previously dated guitarist Eric Clapton, actor Owen Wilson, Pamela Anderson's ex-husband Kid Rock and was engaged to cycling legend Lance Armstrong. Jennifer took second place following her much publicised failed marriage to Brad and her recent split from 'The Break-Up' co-star Vince Vaughn. Cameron Diaz also featured on the list after failed romances with Matt Dillon, Jared Leto and Justin Timberlake.Tyra Banks and Mariah Carey were also considered to be unlucky in love.Tyra has had publicised splits from NBA star Chris Webber, singer John Singleton and actor Tyler Perry. Mariah has had troubled relationships with Luis Miguel, Yankee Derek Jeter and her music producer ex-husband Tommy Mottola.