"Stickwitu" is a ballad by American girl group the Pussycat Dolls from their debut album, PCD. Produced by Jimmy Iovine, Robin Antin, Ron Fair and Tal Herzberg, it was released as the album's second single in late 2005. The song is an uptempo ballad being different to their previous single "Don't Cha". The title is a colloquialism for "stick with you".

The song gained worldwide success, reaching top five in the United States and in Belgium, like their previous single it debuted at number one in New Zealand and in the United Kingdom and reached top three in Australia, Ireland and the Netherlands. The song gave the Dolls a Grammy nomination at the 49th Annual Grammy Awards for the Best Pop Performance by a Duo or Group with Vocals but lost to The Black Eyed Peas "My Humps". The song has been performed several times on television including the remix with Avant.

"Stickwitu" is a down-tempo pop-soul song written by Franne Golde, Kasia Livingston and Robert Palmer written in the key of D major with a time signature in common time and a tempo of 72 beats per minute. The Melody, produced by Ron Fair and co-produced by Taz Halberg, is designed to be played "slowly". "Stickwitu" uses a simple chord progression of A(9)/C♯ – Bm⁷ – A⁷ – Bm⁷ and A/C♯, with a vocal range of F♯³ – E⁵.

Nicole Prescovia Elikolani Valiente Scherzinger (born June 29, 1978) is an American singer, songwriter, dancer, record producer, model and actress. Scherzinger is well known as the lead singer of the Pussycat Dolls. Previously, Scherzinger was a backing vocalist for the late-1990s rock group Days of the New and was a part of reality TV girl group Eden's Crush. After the disbandment of the group, she joined the Pussycat Dolls and became the group's lead vocalist during their transition into a career in music.

The Pussycat Dolls rose to prominence when they enlisted Scherzinger as their lead front woman of the group. When Scherzinger joined the now multi-platinum group, they became a worldwide phenomenon, releasing two albums, PCD (2008) and Doll Domination (2008) and embarked on several concert tours. With her strong vocal range, Scherzinger scored the group a string of massive hit singles, including the number ones "Don’t Cha" (2005) and "Buttons" (2006), "Stickwitu" (2005), "I Hate This Part" (2008), and "When I Grow Up" (2008), which hit the Top 10 in 16 countries. In 2009, Scherzinger wrote and recorded an adaptation of A.R. Rahman’s "Jai Ho" (from the film "Slumdog Millionaire") which went to number one in 17 countries. Their debut album, PCD, has sold nine million copies worldwide, and their sophomore album, Doll Domination, has sold 5 million copies worldwide to date. The group won three Billboard Music Awards, two MTV Video Music Awards, and toured with Britney Spears, Christina Aguilera, and The Black Eyed Peas. The Dolls have sold 15 million albums, and 37 million singles worldwide, making them one of the best selling girl groups of all time.