The singer and actress had been together for more than 20 years and met as teens (Twitter/@NecoleBitchie).

"We will always love each other and be best friends, however, we have mutually decided to separate at this time," the pair said in a statement.

The couple has not expressed the motivation behind the separation.

Earlier this year, however, the "Blurred Lines" singer was rumored to be cheating on his longtime love interest when he was spotted being intimate with another woman at a Parisian nightclub. Pictures of Thicke and the other woman at Club 79 first surfaced on the New York Daily News site. 

READ MORE: Banning 'Blurred Lines' Won't Kill Rape Culture

Thicke, now 36, married the "Baggage Claim" star, now 38, in June 2005. The couple welcomed a son named Julian Fuego in April 2010.

READ MORE: Film Review: 'Baggage Claim'

The pair met when they were 14 and 16, respectively, and later went on to become high school sweethearts.

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