Rapper 50 Cent has a dog named Oprah Winfree with a popular Twitter account, and Friday on quot;The Viewquot; (weekdays on ABC) he explained the origin of her name after Sherri Shepherd put him on the spot. quot;I don#39;t know if you#39;re trying to say Oprah#39;s a bitch or you love Oprah,quot; she asked him.

Oprah Winfrey routinely reminds her nearly 9 million followers on Twitter to tune into her year-old channel, OWN. But on Sunday night, Winfrey broke a rule that the Nielsen ratings company rarely has to enforce.

Sunday night, during the Grammy#39;s, Oprah let slip on Twitter that she needed a boost for her struggling OWN network

The retired talk show queen issued an apology Monday after sending out a blast the night before to her Twitter followers, particularly those with a Nielsen box, to watch her cable channel.

Oprah Winfrey conducted one of the most in-depth interviews with Whitney Houston in 2009, and she came to the singer#39;s defense on Sunday via Twitter.