The England striker, making his first start since signing a new £200,000-a-week contract after threatening to quit Old Trafford, scored a late penalty to seal a 1-0 win against Rangers at Ibrox.
Roo beauty: Rooney nets a late penalty to seal United's place in the last 16
He then celebrated exuberantly with the United supporters. Rooney said: 'I wanted to celebrate it with our fans so I went over. It's a relief for me to score but now hopefully I can build on this.'
Roaring ahead: comeback kid Wayne Rooney celebrates scoring the only goal of the match
Tottenham are also through after a 3-0 win over Werder Bremen, with Younes Kaboul, Luka Modric and Peter Crouch on target.