Sure, everyone remembers Justin Timberlake and Britney Spears, and Bennifer, but what about Wilmer Valderrama and Mandy Moore?
Ashton Kutcher and Brittany Murphy
The two dated briefly in 2003 after meeting on the set of their rom-com, Just Married.
In 2009, following Murphy's death, Kutcher took to Twitter to express his sadness, tweeting, "2day the world lost a little piece of sunshine. My deepest condolences go out 2 Brittany's family, her husband, & her amazing mother Sharon. See you on the other side, kid."
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Jared Leto and Cameron Diaz
Leto and Diaz first began dating in 1999, and became engaged in 2000. The two called it quits suddenly in 2003.
Fortunately for Diaz, she wasn't alone for too long, she began dating Justin Timberlake that same year.
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Ryan Gosling and Sandra Bullock
Ryan Gosling's first high profile romance wasn't with Rachel McAdams, but rather with Sandra Bullock. The two met in 2002, on the set of their film, Murder By Numbers, and dated for about a year.
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Edward Norton and Salma Hayek
Following his break-up with Courtney Love in 1999, Norton began a four year relationship with Hayek -- after being set up by their chiropractor.
The pair called it quits in 2003.
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