TMZ confirms that Nicki Minaj has signed on as the opening act on Britney Spears' summer tour.

A few weeks ago Spears announced on Good Morning America that she will be co-headlining a tour with Enrique Iglesias. A few hours later, Iglesias backed out of the tour.

Everything was set for the tour, as Spears had even posted the schedule on her website. The tour was set to begin June 17 in Sacramento, Calif., and end on August 13 in Toronto.

TMZ reported that lawyers and agents for Spears and Iglesias were working on the details of the agreement for weeks. They worked to make Iglesias appear as a co-headliner.

Unfortunately, Enrique Iglesias and Britney Spears will not be touring together. Despite initial reports based on formal discussions of the possible run, Enrique will continue on his solo tour in support of his new album, 'Euphoria,' his spokesperson told Reuters.

Enrique has great respect for Britney and is a longtime fan of her work. He is very sorry for the confusion this might have caused to anyone.

TMZ reported that Iglesias had many conversations with people connected to the tour and felt that in reality he was Spears' opening act rather than co-headliner and therefore wanted out.

The deal was very favorable for Iglesias but Iglesias would be taking the stage before Spears and that did not sit well with him.

Minaj will take over as an opener. She will finish her tour with Lil' Wayne before hitting the road with Spears on June 17.

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