By Pat Muir
Umemoto, who lives in Las Vegas, is among 18 contestants on the long-running CBS reality show. The 2001 Wapato High School graduate is a member of the Savaii tribe on the show, which premiered Sept. 14 and will air its fifth episode at 8 o'clock tonight.
Umemoto, 27, grew up on the reservation. She placed second runner-up in the Miss America pageant in 2008.
In addition to being Yakama, Umemoto is German, Hispanic and Japanese.