It later appeared in a Victorious episode, where Tori Vega (Justice), Cat Valentine (Ariana Grande), and Andre Harris (Leon Thomas III) perform the song during their high school's prom "Best Friend's Brother" is an uptempo and upbeat techno-pop song with lyrics about a girl having a crush on her best friend's brother.

[4] In the episode, Tori Vega (Victoria Justice) has her friends help her set up Hollywood Arts High School's first prom, inadvertently ruining a play meant for her frenemy Jade West (Elizabeth Gillies) for that day.

The episode concludes with Tori, Cat Valentine (Ariana Grande), and Andre Harris (Leon Thomas III) performing "Best Friend's Brother" in the pouring rain as the prom attendees dance along.

[9][10] During an interview with Teen Vogue, Justice revealed that Victorious producer Dan Schneider liked the song and asked that she include it in the show.

Jessica Dawson, writing for Common Sense Media, mentioned that while the song's "music and lyrics aren't groundbreaking", she stated that it was "catchy and fun" and would be on "heavy rotation on many tweens' playlists".

She thought that while the single's message "might be a little sketchy for younger kids", she opined the song is "innocent enough and has no bad language or iffy content".

[12] Jason Lipshutz, writing for Billboard magazine, mentioned that the song "zip[s] along with compact hooks and unabashed attitude".

[23][24] A music video for "Beggin on Your Knees" was first released in 2011 and was subsequently uploaded to the official Victorious YouTube channel on September 20, 2012.