Latter Days (2003)
based on the same C. Jay Cox short
Lila (Jacqueline Bisset) makes a reference to it in the begining of the film.
The two lead characters do impersonations from Psycho.
While on the phone, a woman mentions to Christian that she's missing Buck Owens.
One character does impersonations of Marty Feldman's character, Igor.
Christian talks about Ann-Margret in The Who's Tommy
A bus advertisement for Solaris is seen when Aaron returns to L.A.
At the surprise birthday party, the guests realize that Brad is actually "Aaron Davis," the shy, lead Mormon character from Latter Days.