They say, there's always light at the end of the tunnel. But what they never tell you is how long the tunnel might be. We all have our fair share of ups and downs in life. But for some of us, it's more difficult. Especially those who live their lives in the public eye, being constantly watched and scrutinized for what they do.

Celebrities have time and again spoken about feeling disturbed and dealing with depression. Some have given into it, some others have triumphed out of it.

A couple of months back, Selena Gomez opened up about her visit to the rehab. She spoke about an emotionally troubled phase of her life, while battling the auto immune disease, Lupus.