Rihanna just announced via her twitter that fans can look forward to addition of A$AP Rocky on her upcoming Diamonds Tour. Rocky, who collaberated with the singer on her remix of Cockiness, will be on every date of the North American leg and is ready to cause some true ruckus on stage. For a list of dates, hit the jump and congrats to Rocky on this big news.

This is gonna be some Young Epic Rockstar shit! See you on tour @asvpxrocky #DIAMONDSTOUR #NorthAmerica —> bit.ly/RhFJ4a

— Rihanna (@rihanna) November 7, 2012

03-08 Buffalo, NY – First Niagara Center *
03-10 Boston, MA – TD Garden *
03-12 Baltimore, MD – 1st Mariner Arena *
03-14 Philadelphia, PA – Wells Fargo Center *
03-15 Hartford, CT – XL Center *
03-17 Montreal, Quebec – Bell Centre *
03-18 Toronto, Ontario – Air Canada Centre *
03-21 Detroit, MI – Joe Louis Arena *
03-22 Chicago, IL – United Center *
03-24 St. Paul, MN – Xcel Energy Center *
03-25 Winnipeg, Manitoba – MTS Centre *
03-27 Edmonton, Alberta – Rexall Place *
03-30 Calgary, Alberta – Scotiabank Saddledome *
04-01 Vancouver, British Columbia – Rogers Arena *
04-03 Seattle, WA – Key Arena *
04-06 San Jose, CA – HP Pavilion *
04-08 Los Angeles, CA – Staples Center *
04-09 Anaheim, CA – Honda Center *
04-11 San Diego, CA – Valley View Casino Center *
04-12 Las Vegas, NV – Mandalay Bay *
04-15 Houston, TX – Toyota Center *
04-16 Dallas, TX – American Airlines Center *
04-19 Tampa, FL – Tampa Bay Times Forum *
04-20 Ft. Lauderdale, FL  - BankAtlantic Center *
04-22 Atlanta, GA – Philips Arena *
04-29 Washington, D.C – Verizon Center *
05-02 Ottawa, Ontario – Scotiabank Place *
05-04 Brooklyn, NY – Barclays Center *
05-05 Brooklyn, NY – Barclays Center *

* with A$AP Rocky