What is the problem that happened between Selena and Demi??!!

they just dont spend as much time as they used to anymore, 'cuz demi loves miley, miley loves demi. selena & demi are still friends, it's just that demi doesn't pay as much attention to selena, as much as selena pays attention to demi.

Demi vac am a bigger سٹار, ستارہ than Selena.

Demi is known as:
X-Factor Judge
Huge Popstar
Girl That Went To Mental Rehab
Former Disney Star

While Selena is known as:
Disney Star
Girl who dated Justin bieber