25, "1+1" was made available for download through the iTunes Store in the United States. The same day, "1+1" was performed at the American Idol final; she introduced it as her favorite song. In June, she performed at the Palais Nikaia in Nice, Zénith de Lille, and the Galaxie in Amnéville. On June 26, Beyoncé was the closing act at the Glastonbury Festival 2011 in the United Kingdom. She was the first solo female artist to headline the Pyramid stage at the Glastonbury Festival in more than twenty years. A pre-taped performance of "Best Thing I Never Had" and "End of Time" at the Glastonbury Festival was broadcast during the 2011 BET Awards. The following day, Beyoncé's exclusive hour-long interview with Piers Morgan in London was broadcast on Piers Morgan Tonight. She also appeared on the finale of France's X Factor to perform "Run the World" and "Best Thing I Never Had". An MTV television special, Beyoncé: Year of 4, premiered on June 30, documenting Beyoncé's life during 4s production. On July 1, Beyoncé appeared on Good Morning America as part of its "Summer Concert Series" in New York City. She also projected images from 4 on a number of London's landmarks, including Madame Tussauds and Battersea Power Station. She then traveled to Scotland to perform at the T in the Park Festival on July 9, 2011. The next day, she performed at the Oxegen Festival in Ireland. On July 28, 2011, Beyoncé performed "1+1" and "Best Thing I Never Had" on The View; the latter was also performed on Late Night with Jimmy Fallon the same day. From August 16–19, Beyoncé held the 4 Intimate Nights with Beyoncé concerts at the Roseland Ballroom to a standing room only audience. Subsequently, the Live at Roseland: Elements of 4 DVD was released in November. "Love On Top" was sung at the 2011 MTV Video Music Awards on August 28, Beyoncé finished the performance by unbuttoning her blazer and rubbing her stomach to confirm her pregnancy. A live performance of "Countdown" recorded in July was broadcast on Late Night with Jimmy Fallon in November. Singles 4 was Beyoncé' first album that yielded no number-one singles in the United States, as no song from 4 reached the top ten on the Billboard Hot 100. "Run the World (Girls)" was released internationally as the lead single from 4 on April 21, 2011. It reached