Emmy Awards highlights: Mariska Hargitay sings, Taylor Swift acts in a skit and 'Buffy' reunites

The Emmy Awards are underway. “The Pitt” and “Widow’s Bay” are generating buzz as they compete for top prizes. The ceremony is also honoring the anniversaries of “Buffy the Vampire Slayer” and “Charlie’s Angels.”Here are some highlights as the show roars into the night.The host with the mostestMariska Hargitay kicked off the show with New York Knicks star Jalen Brunson in an exuberant and looney pre-taped bit that had her sing a version of “I Love Rock ’n’ Roll” by Joan Jett & the Blackhearts, renamed “I Love TV Screens” as she flew from New York to Los Angeles.The first-time Emmy host was then seen relaxed in bed with “Hacks” star Jean Smart, ate a burger in a nod to “Beef,” rode a horse and drank bubble tea with Jennifer Coolidge.On stage, she reveled in the fact that she was the first woman to host in 15 years. The star of “Law & Order: Special Victims Unit,” entering its 28th season, also joked that she's never had to pronounce the word “finale” and even tried to swipe the script f