'N Sync has now confirmed 19 dates for its spring U.S. tour, which, as previously reported, will kick off March 3 in Portland, Ore. Shows are booked through April 18 in Philadelphia, and will encompas

'N Sync has now confirmed 19 dates for its spring U.S. tour, which, as previously reported, will kick off March 3 in Portland, Ore. Shows are booked through April 18 in Philadelphia, and will encompass two-night stands in Anaheim, Calif. (March 11-12), and Rosemont, Ill. (April 4-5). Ginuwine and Smash Mouth will open at various times.

Tickets for shows in Phoenix; San Antonio; Dallas; Denver; Ames, Iowa; Minneapolis; Rosemont, Ill.; Uniondale, N.Y.; East Rutherford, N.J.; and Philadelphia go on sale tomorrow (Feb. 2) via Ticketmaster.

As previously reported, 'N Sync will perform Feb. 23 as part of the Hallmark Olympic Celebration series of concerts during the 2002 Winter Olympic Games in Salt Lake City. The group will also participate in the Feb. 24 closing ceremonies.

In addition, 'N Sync will perform its song "Girlfriend" with a "surprise guest" on the 44th Grammy Awards telecast, set for Feb. 27 on CBS. "Celebrity" is nominated for best pop album, while "Gone" is up for best pop vocal performance.

Here are 'N Sync's tour dates:

Feb. 23: Salt Lake City, Utah (Olympic Medals Plaza)
March 3: Portland, Ore. (Rose Garden)
March 4: Tacoma, Wash. (Tacoma Dome)
March 6: Oakland, Calif. (Oakland Arena)
March 7: Sacramento, Calif. (Arco Arena)
March 8: San Jose, Calif. (Compaq Center)
March 10: San Diego (Sports Arena)
March 11-12: Anaheim, Calif. (Arrowhead Pond)
March 14: Phoenix (America West Arena)
March 15: Las Vegas (MGM Grand)
March 19: San Antonio (Alamodome)
March 20: Dallas (Reunion Arena)
March 25: Denver (Pepsi Center)
March 27: Ames, Iowa (Hilton Coliseum)
March 30: Minneapolis (Target Center)
April 1: Auburn Hills, Mich. (Palace of Auburn Hills)
April 4-5: Rosemont, Ill. (Allstate Arena)
April 10: Uniondale, N.Y. (Nassau Coliseum)
April 13: East Rutherford, N.J. (Continental Airlines Arena)
April 18: Philadelphia (First Union Center)