In 2010, Monet had a recurring role on the NBC drama series American Dreams. Monet landed a recurring role on the ABC sitcom 8 Simple Rules as Missy Keinfield, Rory's love interest in the second season. She has a sister, Sissy (Elena Lyons), who likes C.J.. She was eventually cast as Megan Kleinman in the CBS short-lived sitcom Listen Up! where she starred alongside Jason Alexander. She also guest-starred on Zoey 101 appearing in three episodes from 2006 to 2007. She also appeared in the 2010 film Simon Says and in the 2007 films Nancy Drew and Taking Five.
From 2010 to 2013, Monet starred in the Nickelodeon comedy series Victorious as Trina Vega, the elder sister of Tori Vega and a fellow student of Hollywood Arts but has no talent and is described as "weird", "annoying". She also replaced Jennette McCurdy as the character Bertha in Fred 2: Night of the Living Fred, Fred 3: Camp Fred and Fred: The Show. Based on The Fairly OddParents cartoon series, she starred as Tootie opposite Drake Bell's Timmy Turner in 2011's A Fairly Odd Movie: Grow Up, Timmy Turner!, and reprised her role in 2012's A Fairly Odd Christmas, and 2014's A Fairly Odd Summer.
