Adam Levine's Bald Haircut On 'The Voice' Made Blake Shelton Really Happy

Blake Shelton and Adam Levine enjoy verbally sparring with each other on NBC's "The Voice." Most of the time, the two trade good-natured jabs about one contestant picking them over the other.

But during Monday night's episode of "The Voice," Shelton didn't hold back one bit when Levine debuted his new, bald haircut on the show. For the record, Levine shaved his head way back in July, but these episodes are just airing now.

Throughout the night, Shelton kept the jokes coming -- calling the "Maroon 5" singer "Gandhi" and "Lex Luther," sprinkling in little hair jabs when he could.

"It's frustrating, isn't it? I've bet you just been pulling your hair out about it, haven't you?" said Shelton, smiling.

"Oh, that's funny, is that a hair joke?" answered Levine.

Shelton also took to Twitter to address the bald elephant in the room:

Levine quickly fired back at Shelton's tweeting by defending his haircut.

Levine has made some questionable hair choices in the past. In 2014, the singer dyed his hair platinum blond, drawing Jared Leto in "Fight Club" comparisons. And in 1996, the singer sported some crazy facial hair, according to his Instagram.

But don't worry, fans -- Levine's hair has already grown back since he shaved it in the summer. If you'd like to reminisce about his shaved head, here are some more pics for your viewing, uh, pleasure:

Also on HuffPost:

For a constant stream of entertainment news and discussion, follow HuffPost Entertainment on Viber.