Scary Spice among new talent in "Dancing"

LOS ANGELES (Reuters) - Singers Marie Osmond and Melanie "Scary Spice" Brown are among the celebrity contestants in the upcoming season of ABC's popular "Dancing with the Stars" show, the network said on Wednesday.

The show, which partners celebrities with ballroom dancing professionals, averaged 20.7 million viewers and ranked as the second most popular show on U.S. television last season after singing contest "American Idol". The winner, announced in May, was Olympic speed skater Apolo Anton Ohno.

Osmond, a member of 1970s show business family The Osmonds, and Brown, a member of the reunited pop group the Spice Girls, will join boxing champion Floyd Mayweather, actress Jane Seymour and Brazilian car racing champion Helio Castroneves in the new, fifth season which starts September 24.

Rounding out the 12 celebrity contestants are singer Wayne Newton, actresses Sabrina Bryan and Jennie Garth, Dallas Mavericks basketball team owner Mark Cuban, models Josie Maran and Albert Reed and "All My Children" actor Cameron Mathison.

Singers scheduled to perform on the show include country music icon Dolly Parton, along with Gloria Estefan and Avril Lavigne.