Ellen DeGeneres cancels select tour dates

Ellen DeGeneres has cancelled a handful of dates on her upcoming stand up comedy tour.

According to multiple media reports including Entertainment Weekly and People Magazine, DeGeneres canceled dates in Dallas, San Francisco, Seattle and Chicago.

Ticketmaster has a notice on pages for the cancelled dates that says, "Unfortunately, the Event Organizer has had to cancel your event." Refunds will be issued, the site said.

Ticketmaster shows the cancellations include:

• Dallas on July 10
• San Francisco on July 21
• Seattle on July 23
• Chicago on August 11

Chicago, San Francisco and Seattle have second shows that have not been canceled at this time.

Her tour began in June.