1. "Queen of the Damned" (2002): Nikki Webster played the role of Jessamine, a vampire who performs at the Vampire Lestat's concert in this horror movie.
2. "The Saddle Club" (2003): Webster starred as Veronica DiAngelo in the family-friendly adventure film based on the popular book series of the same name. She played the role of a talented young equestrian.
3. "The Sleepover Club" (2003): In this Australian comedy-drama, Nikki Webster portrayed the character of Frankie, a member of the Sleepover Club who dreams of becoming a famous singer.
4. "The Saddle Club: Trail of Secrets" (2004): The sequel to "The Saddle Club," where Webster reprised her role as Veronica DiAngelo.
5. "Thunderstruck" (2004): Nikki Webster made a cameo appearance as herself in the film "Thunderstruck," starring Kirsten Dunst and Taylor Lautner.
6. "Hating Alison Ashley" (2005): In this Australian drama, Nikki Webster played the character of Madison Parker, a popular girl at a high school.