Iluska, who was born in the Moldavian SSR, won her first major pageant title in 2001 when she was crowned Miss Minnesota Teen USA 2002. She represented Minnesota in the nationally televised Miss Teen USA 2002 pageant broadcast live from South Padre Island, Texas where she placed in the top ten. This was only Minnesota's second placement in the competition, following Michelle Borg who was a semi-finalist in 1996. Of the semi-finalists, Ilushka placed ninth in the swimsuit competition and tenth in evening gown, finishing tenth on average. The pageant was won by Vanessa Semrow of Wisconsin.
In November 2006, Ilushka became the third former Miss Minnesota Teen USA to win the Miss Minnesota USA title. Illushka represented Minnesota in the Miss USA 2007 pageant which was broadcast live from the Kodak Theatre in Hollywood, California on March 23, 2007. Illushka was the seventh Miss Teen USA 2002 delegate to win a Miss USA state title, three of whom competed for the 2007 Miss USA title.