Selena Gomez has seen better days as of late.

After a tantrum at Jingle Ball & canceling her tour dates, the "Come & Get It" singer was diagnosed with lupus. So it made sense that Gomez took the "turn up, for what?" approach when it came to her New Year's Eve festivities, as her Instagram showed that she spent the holiday in the house curled up with some hot apple cider and sleeper wear! 

According to Bonnie Fuller's Hollywood Life, Selena rang in the New Year in a perfectly low-key way -- with "apple cider and [her] girls," so said the Instagram caption. We think that Selena's pajamas-on-NYE look is definitely going to hit the best-dressed list! Seriously -- Selena gets dressed up all the time! There was no need for her to get glammed up to hang out with her girlfriends on the holiday.

It was reported that the reason for the secrecy from Selena's camp on her battle with lupus is that she initially wanted to keep this health issue private in order not to "affect people's opinions of her and what she's capable of." But even as she keeps it to herself, it's clear that her friends aren't leaving her side, and are at least making the struggle a bit easier. 

In addtion, Entertainment Wise is reporting that Selena is enjoying some well deserved down time after calling off the remainder of her Stars Dance tour, which was due to head to Australia and Asia in the New Year. Instead of preparing to hit the road again, the singer has been catching up with friends and family back home in California, sharing a snap of herself enjoying some tea and a Facetime session with her buddies Taylor Swift and Demi Lovato earlier this week.

The star broke the news of her tour cancellation to her fans with a heartfelt message, insisting she needs to take some time out for herself: "My fans are so important to me and I would never want to disappoint them. But it has become clear to me and those close to me that after many years of putting my work first, I need to spend some time on myself in order to be the best person I can be," Selena told her fans in a statement. "To my fans, I sincerely apologize and I hope you guys know how much each and every one of you mean to me."