Robin Thicke has written a song about his desperate desire to reunite with estranged wife Paula Patton, and he plans to debut that tune live at this weekend's Billboard Awards. TMZ claims the song is called "Get Her Back," and contains lyrics like, "All I wanna do is make it right," "I gotta treat her right, I gotta cherish her for life," and "I should've kissed you longer, I should've held you stronger." No word yet on whether Pharrell had anything to do with the making of the song, or if it sounds like a Marvin Gaye ripoff.