The Year in Celebrity Hookups and Breakups

This year was one full of full of happiness and heartache for celebrity couples, as Hollywood's A-listers made headlines for their hookups and separations in 2015.

Read: Looking Back at the Stories of 2015 That Made Headlines

Jennifer Aniston found her happily ever after with longtime boyfriend Justin Theroux. In August, the couple tied the knot in a secret wedding at the actress's Bel-Air mansion.

Sofia Vergara and Joe Manganiello said "I Will" rather than "I Do" in a beautiful ceremony at the exclusive Breakers resort in Palm Beach, Florida, last month.

But sadly, there seemed to be more breakups than pairings in 2015.

Hollywood golden couple Ben Affleck and Jennifer Garner announced they were divorcing just one day after their 10th wedding anniversary.

Affleck allegedly had an affair with the family nanny, which he denies.

Read: The Craziest Caught-On-Tape Moments of 2015

Did another nanny come between Gwen Stefani and her husband singer Gavin Rossdale?

That was the belief of many after the two divorced amid reports that the British rocker had an affair with their nanny.

But Stefani didn't stay single for long. She was soon in the arms of her fellow Voice coach, country singer Blake Shelton, who had recently split from his wife, Miranda Lambert.

Watch Below: Gwen Stefani's Emotional Song Could Be About Ex Gavin Rossdale