Friends and family of Bobbi Kristina Brown, daughter of late singer WhitneyHouston, are worried about the well-being of the 19-year-old as she is trying to deal with her grief onher own and is rejecting all kind of assistance from others. The teenager was to be hospitalized twiceafter the sudden death of her mother allegedly due to drug overdose and now even her father BobbyBrown has been arrested for drink driving. The family of the teenager is said to be growing increasinglyconcerned about her well-being as the aspiring singer is not opening up herself to anyone, Us magazinereported. "Everyone is worried about Bobbi. Bobbi just doesn't want anyone's help. She's lost," a sourcesaid. The girls only comfort is her 'adopted' brother Nick Gordon who is very close to her. There are alsoreports that she has been offered a role in Tyler Perry's US sitcom For Better Or Worse as the daughterof one of the stylists who works in Angela Williams' salon.