"Think About It" is a song by English singer-songwriter Melanie C from her fifth studio album, The Sea. It was released on 4 September 2011 as worldwide lead single from the album and the general second single – "Rock Me" was released only in Germany. It was written by Adam Argyle and collaborative team Cutfather. The track was recorded in Copenhagen and was released after the single "Rock Me", prior to the release Melanie had spent time on the West-End Blood Brothers which she said helped her develop and evolve as an artist.

The song is a dance-pop song and a departure from the usual rock-stance Melanie had taken in her career since 1999. It gathered comparisons to artists; Katy Perry, Kelly Clarkson and Pink. Lyrically the song discusses doing something that you know you shouldn't.

The song gathered critical acclaim, and critics considered it a welcome change, and a better release than the previous, "Rock Me". Critics enjoyed her new-found pop style and found it to be a good introduction to her fifth studio album The Sea. Commercially the song was a moderate hit: in Austria, Switzerland and Germany with its highest peak being in the Swiss charts at number 30. A music video directed Howard Greenhalgh showed her perform against different backdrops and in different outfits throughout. Melanie C performed this on The Sea – Live tour.

Melanie C was one fifth of the girl-band Spice Girls and has been releasing solo material since 1999, her previous studio album entitled This Time was released four years prior to the release of "Think About It". In the time she spent between records by her own record label named Red Girl Records, Melanie completed a stint performing in the West End, in the musical Blood Brothers and also became a mother. It was after this time that she started work on her fifth studio album, with the experience from "singing regularly over 6 months" left her confident and strengthened as a vocalist, and left her more confident in the songwriting area also. Melanie spent time recording worldwide and after a track from these sessions titled "Rock Me" was released as a part of the German TV channel's coverage of the FIFA Women's World Cup. Soon after, she announced the release of the lead single from The Sea titled "Think About It".

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