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Justin Bieber -

In 2019, the pop star's facial hair of choice raised a lot of concern with fans who wanted to see it shaved off, reportedly including his wife, Hailey. He did say, however, the mustache "will be back in due time."

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Tom Hardy - In 2007, the famous actor styled his facial hair in this peculiar way for his role in the movie 'Bronson.'

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Chris Evans - Although Chris Evans' fans weren't too happy with his choice, he had to grow the 'stache for the Broadway show 'Lobby Hero'.

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James Franco - The actor doesn't have one of the strongest mustaches in Hollywood, but he's worn one frequently throughout the years.

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Michael C. Hall - In 2008, the 'Dexter' actor went with a mustache for a brief period of time. Do you think he should have kept it?

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Tom Selleck - Tom Selleck's mustache is his signature characteristic. It's likely that no one would recognize him without it.

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John Travolta - The famous actor was required to style his facial hair like this for his role in 'The Taking of Pelham 123.' Fortunately, he was never again seen with the mustache.

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Mel Gibson - In 2009, Mel Gibson had a full-on mustache and soul patch. 

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Brad Pitt - Brad Pitt had this mustache for his role in 'Inglourious Basterds.' He continued to wear it throughout the film's promotional campaign in 2009.

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Channing Tatum - The actor showed off this mustache in 2010 during the Tribeca Film Festival. Fortunately he hasn't been seen with it since.

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Jude Law - For his role as John Watson in 'Sherlock Holmes,' Jude Law had to grow out this hefty mustache. 

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Tom Hanks - In 2012, Tom Hanks grew out his mustache for 'Saving Mr. Banks,' released in 2013.

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Clive Owen - Clive Owen showed off this style in 2013. The mustache makes him look quite a bit older.

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Ethan Hawke - The actor is often seen with a mustache. He styled it like this for the film 'Before Midnight.'

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Nick Offerman - The actor styled his facial hair like this throughout the entire series of 'Parks and Recreation,' from 2009 to 2015.

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Sean Penn - Seeing a mustache on this actor's face is not a rarity. He has worn one for various roles in films. In this photo, he is at the 2015 Oscars.

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Johnny Depp - The famous actor explained on 'The Graham Norton Show' that he isn't able to grow a full-on beard. However, this mustache was for his role in 'Murder on the Orient Express.'

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Zac Efron - The actor wore this mustache for the worldwide premiere of 'The Greatest Showman' in 2017.

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Dominic Monaghan - Dominic Monaghan had this mustache in 2012, but we can all agree that it didn't look too great on him, can't we?

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Daniel Craig - The actor styled his facial hair like this for the Broadway play 'A Steady Rain,' in 2009.

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Joe Jonas - Joe Jonas attended the MTV Europe Music Awards in 2017 with his band DNCE and this thick 'stache.

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Hulk Hogan - Could there be a more characteristic mustache than the one of this famous wrestler?

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Michael Cera - If anyone doesn't look good with a mustache, it's Michael Cera, don't you think?

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Henry Cavill - Henry Cavill got rid of his 'stache, but it was a popular topic of conversation for Superman fans throughout 2017.

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Milo Ventimiglia - The actor has to wear a mustache for his hit TV show 'This is Us.'

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Paul Rudd - The actor had a mustache in the film 'Anchorman 2: The Legend Continues,' in 2013.

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Michael Phelps - Phelps only wore a mustache when preparing for the Olympic Games in Beijing in 2008. He has since removed it and kept it off.

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Will Ferrell - He wore a mustache for the premiere of the film 'Wreck-It Ralph,' in 2012.

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Dr. Phil -

Dr. Phil's mustache is one of the better-known on American television.

See also: The coifs, curls, and colorful hairstyles that made history

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