Chris Brown on November 7, 2012 in Los Angeles, California. Credit: Imeh Akpanudosen/Getty Images

Chris Brown's Twitter is no longer empty.

The "Don't Wake Me Up" singer, 23, wrote his first tweets after reinstating his account earlier this week.

"Carpe diem," Brown tweeted Monday, Dec. 3. The following day he expanded on that thought, adding, "Time to start fresh. New Chapter."

The R&B star shut down his Twitter and deleted all of his previous tweets on Nov. 25 following an explicit fight with comedian Jenny Johnson. In the Twitter war, Johnson called the R&B star a "piece of s--t" and Brown called her a "thirsty bitch."

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In an interview with XXL magazine (before his Twitter war with Johnson occurred), Brown, who's reunited with ex-girlfriend Rihanna, said he's "smartened up" and is more mature now -- especially when it comes to using social media.

"I used to use my Twitter account to vent, but now I mostly use it for marketing and promotions," he explained. "Even if the media asks me something, if it's cool then it's, 'What's up?' But if it's anything that's too negative, I don't care to