Lena Meyer-Landrut
On 24 May, Meyer-Landrut performed as part of the interval act during the second semi-finals of the Eurovision Song Contest 2012 in Baku, Azerbaijan. She was joined by the last five Eurovision winners from 2007 to 2011 which included Marija Šerifović, Dima Bilan, Alexander Rybak, and Ell & Nikki, performing a medley of their winning song entries and a rendition of classic "Waterloo".