WATCH: Ozzy Osbourne Calls Estranged Wife Sharon His 'Everything'

The Osbournes have been making all kinds of headlines lately after announcing their separation because of Ozzy's alleged affair with his hairstylist.

The duo caused even more of a stir when Sharon stepped out with her estranged husband on Thursday night at Ozzfest.

After introducing the Black Sabbath singer in a press conference, Sharon told Entertainment Tonight it was all strictly business.

"It's business. This was my business, you know? This is what I do," she said. "People have forgotten because they see me every day on the chat show, but this is still the other half of my life."

The Talk host was joined at the event by her daughter Kelly Osbourne, who posted her own thoughts on the split on Instagram recently.

In addition to Ozzy, Sharon presented the lead singer of Slipknot, Corey Taylor, so the two rockers could announcing the merger of Ozzfest and Knotfest.

For his part, Ozzy had nothing but great things to say about Sharon, even giving her credit for the idea of combining the events. "She's my right arm," he said. "She's everything for me. She's great."

Is it tough for Sharon to act as Ozzy's manager now? She said it's just what she does and it's a huge part of who she is.

"We've been working together, my lord, since '76. That's how long we've been working together. Since before we were married," she said. "So, it's been a long time.