Yesterday, Rihanna took to Twitter to announce new North American dates for 2011 Loud tour. The singer's North American leg of the tour will kick off on June 4 in Baltimore, Md. The stadium tour will hit six major cities in the US throughout first couple months of the summer, with one additional tour date in Canada. Additionally, 'F--k You' singer Cee Lo Green has been confirmed to join Rihanna on her North American tour.

Rihanna will be touring in Australia starting Feb. 25, and then in Europe after her performances in North America. The singer will perform her classics as well as material off of her latest album 'Loud,' which is conquering the charts with singles like 'Only Girl (in the World),' 'What's My Name?' and her most recent hit, 'S&M.'

Rihanna 2011 Loud North American Tour Dates
6/4 -- Baltimore, Md. | 1st Mariner Arena
6/7 -- Toronto, Ontario, Canada | Air Canada Centre
6/10 - Montreal, Quebec, Canada | Bell Centre
6/18 - Winnipeg, Manitoba, Canada | MTS Centre
6/19 - Saskatoon, Saskatchewan, Canada | Credit Union Centre
6/21 - Calgary, Alberta, Canada | Scotiabank Saddledome
6/22 - Edmonton, Alberta, Canada | Rexall Place
6/24 - Vancouver, British Columbia, Canada | Rogers Arena
6/28 -- Los Angeles, Calif. | Staples Center
6/30 -- Oakland, Calif. | Oracle Arena
7/4 - Albuquerque, N.M. | Hard Rock Casino Albuquerque Presents the Pavilion
7/8 - Dallas, Texas | American Airlines Center
7/9 - Houston, Texas | Toyota Center
7/19 -- Uniondale, N.Y. | Nassau Coliseum
7/21 -- East Rutherford, N.J. | Izod Center
7/23 -- Philadelphia, Penn. | Wells Fargo Center
7/24 - Boston, Mass. | TD Garden