InkBlog

Ray J and his estranged wife, Princess Love, have had their share of ups and downs over the years -- but it appears they've smoothed things out ... at least for his birthday.

Ray turned 42 Tuesday and was live on Instagram most of the night ... broadcasting from a Vegas hotel he and Princess rented out to throw his children a party in his honor.

The music was blasting and performers in Mickey and Minnie Mouse, "Toy Story" Woody and Buzz Lightyear costumes kept the kids occupied as Ray preached to the camera.

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