Kelly Clarkson

Watch Tegan and Sara perform ‘Make You Mine This Season’ on ‘The Kelly Clarkson Show’

The duo have also been speaking out against anti-LGBT policies in Poland

Watch Kelly Clarkson cover The Killers’ classic single ‘Mr Brightside’

She gave a "pumped-up" performance of the track for her 'Kellyoke' series

Watch Kelly Clarkson cover Aerosmith’s ‘Dream On’

Closing to rapturous applause

Kelly Clarkson sued by management firm over alleged unpaid commissions

To the tune of $1.4million