Famous friends who dated the same person

It's not uncommon for celebrities to date their friend's ex-partners

By: Colleen Last - The Hollywood dating scene isn't as big as you think – actors, musicians and celebrities often end up dating the same people. The result can be an ugly love triangle if a star hooks up with a friend’s ex-partner. The latest complicated trio includes friends Nina Dobrev and Nikki Reed, who are at loggerheads after Nina's ex- boyfriend, her Vampire Diaries co-star Ian Somerhalder, recently began dating the Twilight actress.

Nina Dobrev dated Ian Somerhalder

Ian Somerhalder and Nina Dobrev got together in 2011 and for a while, we thought they'd go the distance. But the cute couple broke up two years later - and now Ian has moved on with Nina's close friend, Twilight star Nikki Reed.

Nikki Reed dated Ian Somerhalder

Ian and Nikki were first photographed together in early July but it's thought they've been seeing each other for several months. Things have got complicated as Nina and Nikki were good friends - and now Nina has lashed out on Instagram, posting several cryptic messages about betrayal and lost love.

Miley Cyrus dated Nick Jonas

Miley Cyrus and Nick Jonas got together in 2006 when they were teenagers. How adorable do they look?

Selena Gomez dated Nick Jonas

A year later Nick was romantically linked to Selena Gomez. Miley and Selena's friendship never recovered from the love triangle - Miley mocked Selena in a YouTube video in 2008 and again during a concert in Milan.

Drew Barrymore dated Fabrizio Moretti

Drew Barrymore had a very serious relationship with The Strokes drummer Fabrizio Moretti – they were together for five years before they split in 2007.

Kristen Wiig dated Fabrizio Moretti

Bridesmaids comedian Kristen Wiig was with The Strokes drummer for a year from July 2012. She and Drew are very close – Kristen even used to impersonate her friend on Saturday Night Live (with her blessing). “It all seems so wacky and incestuous, but that's kind of how life works,” Drew said of Kristen’s relationship with her ex.

Lindsay Lohan dated Aaron Carter

Lindsay Lohan dated Aaron Carter in 2003. They were one of showbiz's strongest young couples, for a little while at least.

Hilary Duff dated Aaron Carter

That is, until Lindsay accused Hilary Duff of sealing her man! A decade-long feud ensued and the ladies have only recently patched things up.

Taylor Swift dated Joe Jonas

In 2008 Taylor Swift became the first of her group of girlfriends to date Joe Jonas. But she wasn’t the last…

Demi Lovato dated Joe Jonas

Demi Lovato was next, dating the Jonas Brothers star until shortly before she went to rehab in 2010. That's where things got messy...

Ashley Greene dated Joe Jonas

Twilight actress Ashley Greene began seeing Joe just days after Demi left for rehab. The girls still aren't on speaking terms, with Ashley even comparing their love triangle to Brad, Jennifer and Angelina's! “It doesn't go away. Jen Aniston still gets asked about Angelina Jolie,” she said.

Kate Hudson dated Alex Rodriguez

Kate Hudson had a high-profile relationship with New York Yankees baseballer Alex Rodriguez in 2009.

Cameron Diaz dated Alex Rodriguez

Less than a year later, her good friend Cameron Diaz was spotted leaving his penthouse - they ended up dating for 18 months. Thankfully, Kate had already started a new relationship and the two actresses are still on good terms.

Selena Gomez dated Taylor Lautner

Selena Gomez and Taylor Lautner had a low-key romance in 2009 while they were both working in Vancouver. Not long after the Twilight hunk hooked up with one of his ex-girlfriend's closest pals...

Taylor Swift dated Taylor Lautner

Taylor loves Taylor! Taylor Lautner had another on-set romance later that year - he got together with Taylor Swift on the set of their movie Valentine's Day. The love triangle didn't bother the two girls and they remained close friends until another boy recently pushed them apart - Taylor doesn't approve of Justin Bieber's treatment of Selena.

Heather Locklear dated Richie Sambora

Heather Locklear and Richie Sambora married in Paris in 1994 and were together for 12 years.

Denise Richards dated Richie Sambora

Heather got a shock when her close friend Denise Richards began seeing the Bon Jovi rocker almost immediately after the couple had filed for divorce in 2006. The Melrose Place actress publicly made her displeasure known.

Matthew Rhys dated Sienna Miller

Sienna Miller and Matthew Rhys, star of The Americans, got together on the set of The Edge of Love in 2008. “Sienna is so fun-loving, a real free spirit,” he said later. “Unfortunately, classic things came between us, like distance. We spent so much time apart.”

Balthazar Getty dated Sienna Miller

Not long after, Sienna embarked on a passionate affair with Balthazar Getty, one of Matthew's best friends and his co- star on Brothers & Sisters. Balthazar, who was married at the time, eventually reconciled with his wife but his friendship with Matthew never recovered.

Taylor Swift dated John Mayer