MTV reports that T.I. and Ciara will headline Screamfest ’07, which is slated to begin July 24. The last Scream outing was late last year with Omarion and Ne-Yo at the top of the marquee.

The dates and cities will be announced next week, as well as supporting acts. For now, though, the tour spokesperson says New York; Washington, D.C.; Miami; Detroit; Baltimore; Chicago; and T.I. and Ciara’s hometown of Atlanta are definite stops.