We see what he sees in her!

Robin Thicke's new 19-year-old girlfriend April Love Geary must be trying to capitalize on her newfound fame, because she decided to share an Instagram snapshot that showed off her luscious booty with her legions of fans!

The couple has been flaunting their romance all over town in recent weeks! The pair have been spotted taking drives in his convertible, catching the USC vs. UCLA game, and attending Leonardo DiCaprio's 40th birthday party.

The "Blurred Lines" singer and estranged wife Paula Patton separated after nine years of marriage in February, and the actress filed divorce papers in October. Guy moves quickly!