What is "nyusha"

Anna Vladimirovna Shurochkina (, born 15 August 1990), better known by her stage name Nyusha (Ню́ша) is a Russian singer-songwriter. She's considered one of the most successful singers in Russia, with eight number one singles (holding the record of most N° 1 singles ever in Russia) and a big popularity in media. She presented the 12 Russian points at the 2016 Eurovision Song Contest, whom went to Armenia.