Mariah Careys Big Brazilian Weekend

While most of the world was taking it easy over the weekend, Mariah Carey was hard at work in two different Brazilian cities.

Last night, the “Vision of Love” songstress was spotted onstage at the 2010 Barretos International Rodeo where she gave a killer concert.

And the evening prior, Mariah gave her Sao Paulo fans a thrill with her hit-laden set at the Festa do Peao de Barretos.

During her gig, Carey changed into several different outfits, several of which sparked pregnancy rumors. Post-show, Mariah tweeted, "Tonite was tuff for me 4 personal reasons, but u got me thru!"