Spending the St. Patrick's Day holiday in the UK, Katy Perry received a warm greeting as she arrived at Nobu restaurant in London. The 27-year-old singer donned a wool grey jumper, black skirt, tights and black knee-high boots with blue laces to match her colorful coif.
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The Nobu dinner followed an appearance at Elstree Studios, where Miss Perry put forth a futuristic performance on BBC's "Let's Dance" - with the show putting forth a special Sport Relief episode. Treating the audience to a rendition of her new single "Part Of Me" (watch below), Katy tweeted prior to showtime, "Great cause to come BACK to UK for! Tune in to BBC ONE & watch the FINALE of Let's Dance for Sports Relief. I'll be performing Part Of Me!"