Michele, 25, has been dating Monteith since her split with boyfriend Theo Stockman in February, reported Marie Claire online.
"The Invisible" star has considered moving into actress' luxurious USD 1.4 million Los Angeles pad.
"Lea is telling everyone she has never felt more sure about anything. She is ready for it all, starting with living together and planning their future," a source said.
The couple are said to be serious about each other and the "New Year's Eve" star had previously admitted that she would only ever consider a relationship with him if it was the real deal, because she did not want to ruin their friendship. PTI CORR NDS
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