Selena Gomez is reportedly bracing herself for a leak of private photos.Yep, the 25 year old is among the list of celebrity users on Instagram who have been warned to increase their security after their personal accounts were breached…This happening just after naked photos of her ex were leaked on her hacked Instagram not that long before.The social media site has reportedly contacted several high profile users and warned them of the hacking, and one of the tips was to change their passwords.Selena is the most followed person on the photo sharing site and bosses confirmed that hackers got access to a number of stars’ personal details by exploiting a bug in the system.Selena’s reps have not yet commented on the situation but we’re keeping our fingers crossed that this doesn’t get out of hand.