Emmy Awards highlights: Mariska Hargitay sings, Smart wins and an actor dressed as, yes, an Emmy

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, 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.”The first-time Emmy host was 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 never had to pronounce the word “finale” and pretended to have words with Nicole Kidman over her cheesy AMC ads.“She crushed it,