Pop star Justin Bieber is spending some time in Atlanta partying and recording, and it looks like he may purchase a home in the southern city, TMZ reported. Bieber arrived in the city several weeks ago, partying with artists Jermaine Dupri, Diddy and Rick Ross, the Atlanta Journal-Constitution reported. He posted photos of himself working in the studio too, the newspaper said. "Back in my second home," Bieber tweeted recently. "Good to be back. Focused on building up positive energy."Citing sources it did not identify, TMZ said Bieber asked his hip-hop friends where to find the best real estate in Atlanta. There have been reports he is considering purchasing a 20-acre estate in Hidden Valley, Calif.