S3E12, "Dream Seller" Avant (as himself) – S3E14, "It's a Mad, Mad, Mad, Mad Hip Hop World" Eve (as a waitress)– S3E14, "It's a Mad, Mad, Mad, Mad Hip Hop World" Floetry (as themselves) – S3E14, "It's a Mad, Mad, Mad, Mad Hip Hop World" Lil' Romeo (as Eric) – S3E10, "Spy Games" Omarion (as Nyghtmare) – S3E13, "East Meets East Coast" Orlando Brown (actor) (as Dewane) – S3E16, "He's Not Heavy, He's My Half-Brother" Ruben Studdard (as himself) – S3E15, "The Catch" Solange Knowles (as Charlotte) – S3E15, "The Catch" Smokey Robinson (as Vaughn Odell Knox) – season 3 Edwin C. Morrow (as Johnny Bullbank) – season 3 Brenda Song (as Asoniti) – S3E8, "Keeping It Ashlie Brillault (as Regina) – S3E8, "Keeping It" Season 4 Charlie Murphy (as Larry Eldredge) - S4E5, "Rock the Vote" Nina Sky (as themselves) – S4E8, "Daddy's Home" Chingy (as Taz) – S4E19, "Glug, Glug" Season 5 Chris Brown (as himself) – S5E17, "Recipe for Disaster" Bobby V (as himself) – S5E10, "Waiting for Huffman" Tessie Santiago (as Hannah) – S5E22, "I Love LA Part 2" Theme song and opening sequence The show's theme song "Living One on One", was written and performed by Shanice (wife of the show's star Flex Alexander) and Tonex with music composed by Jonathan Wolff and Becky Kneubuhl (who composed the scene-change music for the first season). The theme song was slightly shortened and remixed by Detail and Ray J for the show's fifth season. A truncated version of the theme, which had no lyrics except for the words "One on One", was used as a closing theme, heard only in syndicated airings. The opening titles for the first three seasons featured the cast playing basketball on an outdoor court (though it also showed some characters doing other things at that same setting, e.g., Spirit checking out a boy who walks past her, and Arnaz playing the guitar only to be interrupted by a basketball bouncing in his direction that fell out of Duane's hand and he chases him). The fourth-season opening titles featured the cast in a dressing room getting ready for a night on the town, the end of the sequence featuring a pan shot of the cast in the mirror wearing different outfits from what they were wearing at the beginning of the pan shot. The opening sequences for the first four seasons included a