Singer Selena Gomez, who was upset when her on-off boyfriend went out on a dinner date with her model friend Kendall Jenner in Paris, feels sometimes people have to learn the hard way.

The 22-year-old actress took to send out cryptic tweets to express her feelings. She posted two messages on Twitter claiming she didn't feel "good enough" and was turning to god when she saw Bieber enjoying at Paris Fashion Week, reports hollywoodlife.com.

Gomez is also believed to have deleted Bieber, with whom she recently enjoyed a luxurious break on the Caribbean island of St Martin, off her Instagram account.

"Sometimes we think we aren't good enough. But then I realise when I think I'm alone, I have god. We have to learn the hard way sometimes," she further tweeted.

Although it isn't known whether her tweets are directly related to Bieber's date with Jenner.