Mary Mouser and Her Boyfriend Recently Celebrated 5 Years Together

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Jan. 4 2021, Published 12:49 p.m. ET

Actress Mary Mouser has made her official return as Cobra Kai's Samantha in season 3 of the Netflix series, but did you know that we've been watching the 24-year-old on-screen since she was only 8 years old?

Indeed, Mary has come of age before our eyes since her debut in a 2004 episode of Without a Trace. She went on to play the titular Eloise in 2006's TV series Me, Eloise, Special Agent Leroy Jethro Gibbs' daughter Kelly in NCIS, and more recently, appeared in shows like Freakish and Scandal.

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And while there is no doubt that Mary is on her way to superstardom, many of her fans wonder about the actress' personal life, especially in light of the handsome guy she's pictured locking lips with on her Instagram page.

So, who is Mary Mouser's boyfriend? She's been dating a fellow actor for the past five years. Keep reading for everything you need to know about their long-term relationship, and where you recognize Mary's significant other from.

mary mouser boyfriend
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Who is Mary Mouser's boyfriend?

Hollywood relationships aren't exactly known for being long-lasting, but Mary Mouser and her actor boyfriend Brett Pierce certainly seem to be breaking that mold. The two met at the party of a mutual friend back in 2015, and haven't left each other's side since.

In fact, they recently celebrated five years of being together.

You might recognize Brett from his role as Young Eddie in A Million Little Things, or as Cuff from Stuck in the Middle. The good-looking heartthrob has also appeared in a season 14 episode of Grey's Anatomy. 

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