Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: Katy Perry has unveiled rainbow-coloured hair and dressed up as a sexy Christmas fairy for H&M's festive campaign. The 31-year-old pop princess can be seen dancing around with gingerbread men, toy soldiers and candy canes in the uplifting film for the high-street chain. But the American songstress isn't the only famous face in the merry advert - British supermodel Jourdan Dunn and Sean O'Pry - from Taylor Swift's Bad Blood music video - also star. As well as lending her good looks to the campaign, Katy has exclusively recorded her first-ever Christmas track for the advert, Every Day Is A Holiday,  which was produced by Duke Dumont.Katy Perry has recorded her first-ever Christmas track for the H&M advertThe 31-year-old dances around with gingerbread men and toy soldiersUplifting film also stars supermodels Jourdan Dunn and Sean O'PrySee more news and updates on Katy Perry's festive campaign 
 Question:The 31-year-old Roar hitmaker trumped her contemporary _ in the much vaunted list.

Taylor Swift