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Robin Thicke has been added to the lineup for the Billboard Music Awards -- and he's reportedly planning a special song for Paula Patton. 

The couple announced their separation earlier this year and, according to TMZ, Robin has written a new track called "Get Her Back" that he'll be debuting at the awards show on Sunday. 

The gossip site apparently obtained a copy of the song's lyrics about the singer wanting to "make it right" and "cherish her for life." 

It's not the first time he's pled his case to Paula from the stage.  Robin made headlines shortly after the separation, dedicating his love songs to his high school sweetheart.  The two have been seen in public with their young son Julian since, but don't appear to have reconciled their differences. 

Among the other performers slated to perform at the Billboard awards are Miley Cyrus, Lorde, Shakira, Katy Perry, Ariana Grande, John Legend and Jennifer Lopez, who will also be receiving the night's "Icon" award.  The ceremony airs Sunday on ABC at 8 p.m. Eastern. 

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