Justin Timberlake 's out-of-control outbursts while on his world tour have horrified his wife, Jessica Biel , who wants him to seek help for his anger issues – and if he refuses, she'll finally kick him to the curb, RadarOnline.com can reveal.

Sources claim the SexyBack crooner, 44, has made everyone's lives miserable on his Forget Tomorrow tour, including a dramatic mid-show meltdown, but it's finally coming to an end on July 30 with the last concert in Istanbul.

"Instead of looking forward to welcoming her husband home, Jessica is dreading their reunion," the insider claimed. Article continues below advertisement

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"Their marriage is in a sensitive, precarious p

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