Scherzinger's only solo release so far is her cover version of "Breakfast in Bed" on the soundtrack to 50 First Dates, under the pseudonym Nicole Kea. Her various recordings as a backing vocalist, guest artist or leader of a group are listed chronologically in the discography section of this article.
In 2003 (prior to joining the Pussycat Dolls), Scherzinger sang live at the Tokyo International Forum performing "I'll Be Your Love", a song by composer Yoshiki. 
In acting roles she has appeared on the television shows My Wife and Kids, Las Vegas, and Half & Half; and in the films Chasing Papi and Love Don't Cost a Thing.
Scherzinger has been working on a solo album since late 2005. The singer has already worked with producers Akon, Timbaland and Polow Da Don. A track completed in mid 2006, tentatively titled "Steam," was leaked on the Internet days after it was recorded with Bryan Michael Cox and co-producer Wyldcard. Her solo album is scheduled for an early 2007 release.
In September 2006 advertisements appeared in which Scherzinger modeled Bench Body underwear, which is manufactured by the Philippines-based company Suyen.
In October 2006, The Pussycat Dolls were nominated for 5 categories at the 2006 African Musical Awards held in the capital of Senegal, Dakar. The sextet couldn't receive the awards in the ceremony, but they presented live with their famous single Buttons (song). Scherzinger, appeared with an anaconda on her shoulders. There is a gossip that she was beaten by the snake during the show, Scherzinger and the rest of the Pussycat Dolls, thought that is was false.