Kate Gosselin's event on a Royal Caribbean cruise ship has been canceled because of poor turnout and low ticket sales, RadarOnline.com has exclusively learned.

The mother of eight was supposed to set sail from August 12 to August 19 at a rate of $1,900-$3,175 per ticket, but it's no longer happening and all cruise-goers have been fully refunded.

Sinead O'Connor has canceled her 2012 tour due to mental illness, RadarOnline.com has learned.

The Nothing Compares 2 U singer raised red flags last year with her bizarre Twitter rants where she spoke of suicide and depression, and then married Barry Herridge in December, split up with him, and then got back together.

It's becoming the battle of the talk show queens, as Rosie O'Donnell and Oprah Winfrey aren't talking to each other after Ms. O's decision to cancel Ro's talk show on her embattled cable television network, RadarOnline.com is exclusively reporting.

As we previously reported, Winfrey decided last week to pull the plug on O'Donnell's talk show because of abysmal ratings. "It was such a f**king hellhole," one former staffer told The Daily Beast in an in-depth look at what went wrong with the show.

Oprah Winfrey's crown as the queen of TV slipped again on Friday when The Nate Berkus Show — produced by Oprah’s Harpo Productions — was canceled.

Production on the current second season will continue as planned, but the final episode of the daytime Oprah spin-off will air in May and not return next year, according to a statement made by Harpo Studios and Sony Entertainment, reported the Hollywood Reporter.

It is yet another sign of Winfrey's crumbling empire, since her iconic show ended its 25 year run earlier this year, her OWN network has been plagued by poor ratings and even Winfrey's BFF Gayle King jumped ship and went to CBS where she will co-host The Early Show.

This has been a tough year for Kat Von D. Her house burned down, killing her beloved pet cat, her engagement to Jesse James was called off and now RadarOnline.com has exclusively learned that her reality show LA Ink has been canceled.

"TLC has decided that the current season of LA Ink will be its last. The network is proud of what the series has accomplished in its four seasons, following Kat Von D's journey as an artist from Miami to Los Angeles,” TLC said in an exclusive statement to RadarOnline.com.

The fourth season was bittersweet for the self-made tattoo mogul, whose real name is Katherine von Drachenberg, showcasing her relationship with bad boy Jesse James and their wedding plans.  When their engagement was called off Kat struggled with the publicity, storming off the set of Good Day LA after their intro of her impending interview only focused on her breakup.