Has Robin Thicke gone off the rails?

Just two days after enjoying a family day out with estranged wife Paula Patton, Robin Thicke decided to go a bit wild with his boys.

The Blurred Lines singer went out with Leonardo Di Caprio and a few other lads to celebrate his 37th birthday.

But, just hours before his birthday bash, the father-of-one was seen waiting outside Paula’s house for over an hour.

Even though the 38-year-old beauty was away for a film shoot, loved-up Robin was pacing outside her home smoking and making phone calls. At some stage he even called for someone to get the door.

Poor Robin, we hope he’ll learn how to get it together.