"Big Brother" couple and married clowns in "The Amazing Race" cast for 20th season

THE AMAZING RACE--Eleven teams will embark on a global adventure on the new season of THE AMAZING RACE, premiering Sunday, Feb. 19 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured: Top Row LtoR: Brothers Andrew & Elliot Weber, Cousins Kerri Paul & Stacy Bowers, Best Friends Bopper Minton & Mark Jackson, Engaged couple Brendon Villegas & Rachel Reilly (kneeling), Army couple Rachel & Dave Brown, Sisters Misa & Maiya Tanaka, Boarder Patrol Agents Art Velez & JJ Carrell; Seated, LtoR: Dating Divorcees Vanessa Macias & Ralph Kelley, Married Clowns David & Cherie Gregg, Federal Agents Nary Ebeid & Jamie Graetz, Friends Joey "Fitness" Lasalla & Danny Horal Photo: Robert Voets/ CBS
The cast of the 20th season of "The Amazing Race."

(CBS) "The Amazing Race" cast is back with 11 new teams racing around the world, and one of the duos is no stranger to reality TV.

"Big Brother" couple Rachel Reilly and Brendon Villegas are among the jet-setters on the CBS' show's 20th season, the network announced Wednesday.

Pictures: "The Amazing Race" 20

Reilly first appeared - and struck up a romance - with Villegas on the 12th season of "Big Brother" in 2010. The couple returned to the show a year later, when she won the 13th season and $500,000.

Being a reality show veteran hasn't led to "Amazing Race" victory for previous teams - just last season, "Suvivor" winners Ethan Zohn and Jenna Morasca were eliminated in the second leg - and the pair will have 10 other teams to contend with to win the $1 million prize.

The other duos include a pair of border patrol agents, dating divorcees, twins, married clowns and federal agents.

The network calls this season "one of the most competitive courses ever," with teams moving through five continents, 22 cities and nearly 40,000 miles. There will be skydiving in Argentina, training with Masai warriors in Tanzania, and first-time visits to Paraguay and Azerbaijan.

Tell us: What do you think of this season's cast?