Super Bowl XLV controversy

Following the release of Burlesque, Christina Aguilera collaborated with rapper T.I. on the track, "Castle Walls" which is included on his album No Mercy. Christina Aguilera began dating musician and production assistant, Matt Rutler who both met during the filming of Burlesque.

Christina Aguilera
Her personal life was the subject of scrutiny and tabloid reports over out of control behavior, including a reported confrontation with her co-star Julianne Hough.

Christina Aguilera performed the U.S. national anthem, "The Star-Spangled Banner", during the Super Bowl XLV on February 6, 2011 and created controversy when she omitted a line of the anthem and messed up the song's lyrics.

Christina Aguilera later apologized for messing up the song's lyrics, telling CNN that "I got so caught up in the moment of the song that I lost my place. I can only hope that everyone could feel my love for this country and that the true spirit of its anthem still came through."

Christina Aguilera is scheduled to make her post-Super Bowl performance paying tribute to Aretha Franklin, alongside Jennifer Hudson, Martina McBride, Yolanda Adams, and Florence Welch at the 53rd Grammy Awards.

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