The name, Big Time Rush, was not formed until August 2009. In an interview, the guys state it was hard to pick the name and that the name, Big Time Rush, is a hockey term they came up with. They were signed to a record deal in 2009.
Their debut single, Big Time Rush, was released on November 29, 2009, and had a strong debut on iTunes. The single was also featured in the hour-long made-for-TV pilot movie, Big Time Audition, but the second verse and some choruses were cut.
On April 27, 2010, Big Time Rush made their chart entry debut when Halfway There peaked at #93 in the Billboard Hot 100.
"Famous" was released on iTunes on June 29, 2010, three days after the song was first shown in its full entirety, which was immediately following the episode debut of "Big Time Fever" on June 26, 2010. "Famous" is a remake of the original song by a Swedish band named Play. "City Is Ours" was released on August 3, 2010, and the music video was in the episode "Big Time Video." The full version of "Til' I Forget About You" was released as a promo single for the album in September.
On October 11, 2010, Their debut album, B.T.R., was released. It features the debut single, "Halfway There", "City Is Ours", and "Til I Forget About You".
The album peaked at #3 on the Billboard 200 for the week of October 30, 2010. The album also peaked at #1 on the Billboard Kids albums & Soundtracks and is currently at #2. The album received a certification for breakout releases.
Big Night debuted on the chart at 79.
In 2011, two alternate versions of "Boyfriend" were leaked onto the internet, but not yet released. The first alternate features Snoop Dogg, whereas the second alternate features New Boyz. Sources announce that the Snoop Dogg version of this song will be released on February 15, 2011.
The band have said they'd also like to work with British singer Pixie Lott in the future.