Bobbi Kristina Brown: Getting High Following Mother's Funeral?

According to a new report, the family of Whitney Houston has more reasons than ever to be concerned over the future of Bobbi Kristina Brown.

The 18-year old daughter of Whitney and Bobby Brown has been in the spotlight ever since her mother passed away, with loved ones supposedly so concerned over her spiraling state that they were pushing all week for her to enter rehab - and that was prior to the latest alleged incident.

Whitney and Bobbi Kristina, during healthier times.

Following Houston's funeral on Saturday, sources tell The Daily Beast that family members were "freaking out" because they could not locate Bobbi Kristina.

The combination of her mother's passing, and the controversy surrounding her father's early exit from the memorial - Bobby Brown showed up with an entourage, got angry over his seating assignment and departed after just 20 minutes - was just too much for the teenager to handle, according to those on the scene.

She was reportedly found at a hotel "getting high."

“It’s a horrible situation for everybody,” says this family friend. “They tried to save Whitney, and it didn’t work. Now with Bobbi Kristina, they fear the same thing is happening again and they won’t be able to stop it either. Bobbi Kristina is all Ms. Cissy has left of Whitney. She’s so tired, but she’s ready to fight again to save her grandbaby.”

Whitney was buried yesterday and now the Houstons will truly start to consider whether Bobbi should be entered into a treatment facility. Says a family spokesperson of the incident on Saturday night:

"There was some confusion about Bobbi Kristina’s whereabouts last night for a short time, but she's OK. She needed some time alone.... She is going through a very hard time as you can expect.”