Austin Mahone has been sharing some sad tweets online.

Austin Mahone Admits To Mistakes, But Doesn't Regret Anything

One month after he split from Fifth Harmony singer Camila Cabello, Mahone has given fans reason to believe he may be depressed about the breakup. On Twitter, Mahone posted two sad messages.

"Today is boring and long," Mahone wrote on Twitter on Sunday. Hours later, he shared a second message with fans. It read, "Olive Garden was the only thing that put a smile on my face today.."

Camila Cabello Gives Hint On Breakup With Austin Mahone

Mahone and Cabello reportedly knew one another for a year and a half before they began dating in the summer of this year. After months of secretly dating, Cabello announced she and Mahone were an item during an appearance on Andy Cohen's Watch What Happens Live. Then, just weeks later, at the end of November, Cabello confirmed to Ryan Seacrest that she and Mahone called it quits.

Last week, Mahone first hinted he may not be over his breakup from Cabello, when he shared another heartfelt message on Twitter. "I've been thinking about all the things we can do when it's me and you," he wrote.

Following Mahone and Cabello's breakup, a rumor swirled, claiming Cabello was using Mahone to sell albums for her group. However, both Mahone and Cabello have taken to Twitter to deny the report, calling the source's information "ridiculous." According to the couple, no one is to blame for the split.

Check out Mahone's latest interview, with Kelly Ripa and Michael Strahan, below.

Tags: austin mahone camila cabello fifth harmony celebrity breakups