Rich and Famous (1981)

Liz and Merry Noel become friends as college roommates and their friendship endures over the years. Liz becomes a respected "serious" novelist. Merry Noel marries, has a daughter, and writes as well: "trash" fiction which becomes enormously successful. Their story begins in college and jumps ahead some years at a time to show their relationship with each other and those in their orbits as they grow and mature.