Heat oils in a nonstick skillet over mediumhigh heat. Add celery; stir-fry 3 minutes. Add snow peas; stir-fry 1 minute. Add rice and next 7 ingredients; stir-fry 4 minutes. Transfer rice mixture to serving bowl.
Coat pan with cooking spray; place over medium-high heat until hot. Add egg; stir-fry 1 minute. Stir egg into rice mixture.