Complex sentence: Later, Pam and Donna ended up on "The Price Is Right" together and actually enjoyed themselves until Donna modeled the Royalty line's showstopper, Pam couldn't resist dumping gallons of honey on Donna.
Split into simpler sentences: Later, Pam and Donna ended up on "The Price Is Right" together and actually enjoyed themselves. But when Donna modeled the Royalty line's showstopper, Pam couldn't resist dumping gallons of honey on Donna.