New Delhi, Aug. 18 -- Rosie O'Donnell used her first night as Jimmy Kimmel Live's guest host to revive her long-running feud with Donald Trump and pay tribute to late actress Hayden Panettiere.

Rosie O'Donnell wasted little time using her first night as guest host of Jimmy Kimmel Live to take aim at Donald Trump, reviving one of late-night television's longest-running celebrity feuds.

O'Donnell opened Monday's episode, the first of a four-night stint filling in for Jimmy Kimmel, by warning viewers that Trump would likely be less than pleased to see her behind his desk.

"If you thought the president hated Jimmy Kimmel Live when it was hosted by Jimmy Kimmel?" O'Donnell declared as she kicked off Monday night's episode, her first in a fo...