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"      Lady Gaga and Christina Aguilera performed a duet last night. The pair teamed up to sing Gaga&amp;#039;s latest single &amp;quot;Do What U Want&amp;quot; on The Voice, where Aguilera is currently a coach. Gaga and Aguilera wore matching shimmering outfits and play an intimate couple at one point during the performance. It follows Lady Gaga publicly apologizing to Christina Aguilera back in September about comparisons between them, which caused an online divide between fan bases in 2010. &amp;quot;Do What U Want&amp;quot; was released back in October and is the second cut to be lifted from Gaga&amp;#039;s third album ARTPOP. The track has so far peaked at number nine on the UK chart and 13 on the US Billboard Hot 100. Meanwhile, ARTPOP topped both the UK and US charts upon its release in November. Listen to Lady Gaga&amp;#039;s &amp;quot;Do What U Want&amp;quot; below:      "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cosmopolitan.com/entertainment/celebs/news/a17211/lady-gaga-christina-aguilera-duet/>