Ashlee Simpson, Brooke Hogan, Carey Hart, Deborah Gibson, No Doubt singer Gwen Stefani, Jasmine Trias, Mariah Carey, Ryan Cabrera, Ryan Starr, Shakira, and Jess Origliasso of The Veronicas attended the 2005 Billboard Music Awards at the MGM Grand Garden Arena and various after parties on December 6th in Las Vegas, Nevada.
Mariah won Female Billboard 200 Album Artist of the Year and Female R&B/Hip-Hop Artist of the Year, as well as Hot 100 Song of the Year and Hot 100 Airplay of the Year for ‘We Belong Together’. Gwen won Digital Song of the Year for ‘Hollaback Girl’. Shakira won Latin Song of the Year for ‘La Tortura’, Latin Pop Album of the Year for ‘Fijacion Oral Vol. 1’, and Latin Pop Album Artist of the Year.