<P> Robbie awakens and after shaking off his hangover from the previous night , tells Linda that it 's over and kicks her out . Then he attends the 50th wedding anniversary party of his grandmother Rosie ( to whom he has been giving singing lessons ) . Realizing he wants to grow old with Julia , with Rosie 's encouragement , he decides to pursue Julia . Just then , Holly arrives and asks him if he is still with Linda . He reveals he ended it with her and learns of Julia 's plans to marry Glenn . He , Sammy , and Holly rush to the airport , where he gets a first class ticket to Las Vegas . After telling his story to an empathetic audience in first class , which includes Billy Idol , he learns that Glenn and Julia are on the same flight after a female flight attendant informs him that Glenn said the same terms he said about Julia while trying to seduce her . With the help of Billy and the flight crew , over the loudspeaker , he sings a song he has written called `` Grow Old With You , '' dedicated to Julia . As Robbie approaches Julia singing , Glenn tries to attack him , but he is blocked by Billy Idol and a flight attendant . When Glenn threatens Billy , a burly fan forces Glenn down the aisle and a female flight attendant he tried seducing earlier pushes him into the lavatory . Robbie and Julia admit their love for each other , and kiss after Billy tells him he liked the song and plans to tell the record company execs about him . </P>
<P> Robbie awakens and after shaking off his hangover from the previous night , tells Linda that it 's over and kicks her out . Then he attends the 50th wedding anniversary party of his grandmother Rosie ( to whom he has been giving singing lessons ) . Realizing he wants to grow old with Julia , with Rosie 's encouragement , he decides to pursue Julia . Just then , Holly arrives and asks him if he is still with Linda . He reveals he ended it with her and learns of Julia 's plans to marry Glenn . He , Sammy , and Holly rush to the airport , where he gets a first class ticket to Las Vegas . After telling his story to an empathetic audience in first class , which includes Billy Idol , he learns that Glenn and Julia are on the same flight after a female flight attendant informs him that Glenn said the same terms he said about Julia while trying to seduce her . With the help of Billy and the flight crew , over the loudspeaker , he sings a song he has written called `` Grow Old With You , '' dedicated to Julia . As Robbie approaches Julia singing , Glenn tries to attack him , but he is blocked by Billy Idol and a flight attendant . When Glenn threatens Billy , a burly fan forces Glenn down the aisle and a female flight attendant he tried seducing earlier pushes him into the lavatory . Robbie and Julia admit their love for each other , and kiss after Billy tells him he liked the song and plans to tell the record company execs about him . </P>
who wrote i wan na grow old with you
who wrote i wan na grow old with you
Robbie
Robbie