On Monday, the final knockout rounds happened on Season 8 of The Voice and during the breaks between those performances, Adam Levine was seen tormenting fellow coach Blake Shelton by standing on top of Shelton's seat, stomping on the cushion and more.

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That aside, Christina Aguilera got involved with the rowdiness by chucking her "special boomerang" at Levine.

On Wednesday, The Voice YouTube channel uploaded a video of Aguilera getting involved in Levine's silly antics against Shelton.

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It seemed like Aguilera had good intentions to stop Levine's childlike behavior, but her actions only fueled him more.

In the video, which is below, Shelton confronts Levine about Levine's habit of messing with his chair.

"Did you wipe your feet on it again?" Shelton asks Levine as Levine is seen wiping one of his feet on the seat.

Aguilera gets involved at this point. She pulls a cushion out from under her and tosses it at Levine, but that doesn't stop his silly and probably annoying (at least to Shelton) behavior.

Levine then asks Aguilera, "What the f--- is this?" while holding the foam-like cushion she threw at him.

"I don't know. It's my special boomerang," she explains, adding, "Isn't it cozy?" as Levine acts as if he were going to toss it like a boomerang.

Levine then acts as if he is going to keep it and the two have their typical banter, but then he gives it back to her by literally pressing it against her red button.

Tune in on Mondays and Tuesdays starting at 8 p.m. ET for Season 8 of The Voice on NBC. The results air on Wednesday, April 8, from the live playoffs.

Tags: The Voice Adam Levine Christina Aguilera Blake Shelton television nbc