Beside performing solo singing 'If I Were a Boy', Beyonce Knowles also duetted with Alexandra Burke delivering 'Listen'.
Beyonce Knowles flew to U.K. to serve as a musical guest during the finale live show of "The X Factor". On the reality TV show, the R&B singer sang "If I Were a Boy" on Saturday night, December 13.
Beside singing "If I Were a Boy", she also appeared on-stage with one of the TV show's contestants Alexandra Burke, who was then named as the event's winner. Instead of performing "Irreplaceable" as it was rumored before, the two singers shared the stage delivering single "Listen".
In related news, Beyonce Knowles is confirmed to hit the road for a roadshow in support of her newly-released effort "I Am...Sasha Fierce". Dubbed "I Am..." tour, the gigs will be kicked off on April 26, 2009 at Zagreb Arena in Croatia and include at least 24 European dates.
Beyonce Knowles singing "If I Were a Boy":
Beyonce Knowles singing "Listen" with Alexandra Burke: