Gallery Launch Gallery TMZ.com

Sean "Diddy" Combs had to break some tough news to his 2-year-old daughter after a judge sentenced him to 50 months in federal prison ... and he got emotional when he had to tell her that daddy wasn't coming home as soon as his family had hoped.

Sources close to the situation tell TMZ ... Diddy was talking to the mother of his youngest child, Dana Tran , on the phone after sentencing and she put their toddler daughter, Love , on the phone, and the kid asked her father when she could see him and where he was. TMZ.com

Diddy was at MDC Brooklyn ... and we're told he choked up when Love told him, "I miss you, Daddy." An emotional Diddy replied, "I miss you and love you very much, Love."

Our sources also tell us Diddy told Love, "Daddy's away for

See Full Page