Six of Hollywoods hottest stars are back on the market.

On Tuesday, UsMagazine.com broke the news that Scarlett Johansson and Ryan Reynolds were calling it quits after two years of marriage.

A day earlier, sources confirmed that High School Musical sweethearts Vanessa Hudgens, 21, and Zac Efron, 23, ended their three-year relationship. Hours later, Dexter duo Michael C. Hall, 39, and Jennifer Carpenter, 31, announced plans to divorce after nearly two years of marriage.

Poll

Which sudden celeb split are you most upset about?

Vanessa Hudgens and Zac Efron
Scarlett Johansson and Ryan Reynolds
Michael C. Hall and Jennifer Carpenter
24834 Total Votes
Which sudden celeb split are you most upset about?