From long-standing relationships to holy matrimonies, some Hollywood couples have taken a detour to Splitsville. After four years of dating — and constant breakup rumors — Justin Timberlake, 30, and Jessica Biel, 29, announced on March 10 that they have ended their relationship. A rep for the couple said the decision was mutual. While Timberlake has been linked to his Friends With Benefits costar Mila Kunis, a source told People that the two are only friends — with no benefits. On March 4 in L.A., Tony Danza, 59, filed for divorce from his wife, Tracy Robinson. The couple married in 1986 and separated in 2006. The former Who’s the Boss? star and Robinson have two daughters, ages 18 and 23. TRON: Legacy‘s Olivia Wilde, 27, filed for divorce from her husband of eight years, Italian prince Tao Ruspoli, on March 3 in L.A. The couple, who eloped when the actress was 18, announced their separation in February. Actress, fashion designer, and one half of Hollywood’s most famous twin set, Ashley Olsen, 24, has reportedly split with her boyfriend, The Hangover actor Justin Bartha, 32, after nearly three years of dating. In 2008, the couple shot down engagement rumors.