Selena Gomez and Justin Bieber were featured in a recent "Behaving Badly" 2014 full movie trailer, leaving many Twitter and Instagram fans wondering if it will include rumors surrounding her time in rehab and their alleged pregnant scandal.

She posted pictures on Twitter and Instagram of her recent volunteer UNICEF trip to Nepal following her break up with Justin Bieber and amidst rumors she was pregnant earlier in their relationship and that she is returning to rehab.

The "Slow Down" singer's Twitter and Instagram followers have been buzzing about her grandfather's recent revelations.

"She's in treatment," her grandfather said according to Radar Online.

"She's getting along pretty good."

Selena Gomez responded to a fan's comment on her Instagram page asking her to win back Justin Bieber following their break up saying "Awww you think I care," and that "he'd rather models."

Could the rumored rehab and pregnant singer be jealous?

Justin Bieber was spotted flirting with Victoria's Secret model Barbara Palvin while vacationing in Cannes on Wednesday, Celeb Dirty Laundry reports.

"He was spotted a couple of nights ago, flirting up a storm with Barbara Palvin, a rumored ex-girlfriend," the website writes.

"The two certainly seemed cozy at Roberto Cavalli's party in Cannes on Wednesday night, and at one point, Barbara was photographed caressing Justin's face. So yeah, the two hooked up."

Selena Gomez posted a picture of herself on Twitter and Instagram enjoying a day at the beach in her bikini, leaving many fans wondering if she's getting over rumors of her being pregnant, in rehab and being hurt after her break up with Justin Bieber.

Taylor Swift is encouraging Selena Gomez to write a new song dissing Justin Bieber, Life and Style reports.

"Taylor's been encouraging Selena to write down all of her feelings and emotions and record," a source told the magazine.

"Selena has already written a few slow, sad breakup songs, and she definitely discusses Kylie and being betrayed by her."