With which song did the Black Eyed Peas open the Super Bowl XLV halftime show?

The Super Bowl XLV halftime show took place on February 6, 2011 at the Cowboys Stadium in Arlington, Texas as part of Super Bowl XLV. The Black Eyed Peas performed a medley of their greatest hits: "I Gotta Feeling", "Boom Boom Pow", "Pump It", "The Time (Dirty Bit)", "Let's Get It Started", and "Where Is the Love?" Slash made a guest appearance, performing "Sweet Child o' Mine" with Fergie, while Usher made an appearance to perform his song "OMG" with will.i.am.

The show began with the four members of the Black Eyed Peas (will.i.am, Fergie, apl.de.ap, and Taboo) descending via cables onto the stage. The Black Eyed Peas started their performance with "I Gotta Feeling".