The Bhoys won 2-1 against Italian giants Lazio in the Europa League clash on Thursday at Parkhead.
The visitors took the lead towards the end of the first half through Manuel Lazzari, but two goals in the second half from Ryan Christie and Christopher Jullien turned the tide in Celtic’s favour.
Forster, who made two brilliant saves during the match, was heavily praised for his performance by Neil Lennon and his club teammates.
The 12-times capped Norway international said to the Scottish Sun: “We’d so many heroes and Fraser’s saves were key to the victory.