American Idol's Jordin Sparks joins Britney's "Circus Tour"

Jordin Sparks will join Britney Spears' Circus as special guest on the second North American leg of the tour.

According to Britney Spears’ official blog, Jordin Sparks will join the second North American leg of the Circus tour as a special guest. Sparks will perform on the U.S. portion including dates in New York City, Los Angeles, Boston, Philadelphia, Miami, Detroit, Chicago and other cities before concluding on Sept. 26 & 27 in Las Vegas.The star will join the second leg of "The Circus Featuring Britney Spears" tour, Britney announced on her official Web site on Friday.
“Britney’s show is incredible and for me to be a part of it is a great opportunity,” Jordin said in a statement.