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Robert Downey Jr. and Mark Ruffalo first met 28 years ago, through their girlfriends at the time, before hunting a serial killer in David Fincher’s “Zodiac,” and well before battling Thanos in Marvel’s “Avengers” movies. The milage on their friendship shows in their shared enthusiasm for their electrifying performances this year: Downey in Christopher Nolan’s “Oppenheimer” as the calculating U.S. Atomic Energy Commission official Lewis Strauss, and Ruffalo in Yorgos Lanthimos’ “Poor Things” as Duncan Wedderburn, an unscrupulous libertine.

Following is a transcript of the video. Narrator: We've all seen it, whether in movies, at car shows and race tracks, or from the Lamborghini passing you on the highway flexing its wildly loud V12 engine -- flames bursting from a tailpipe. It's exciting, loud, and sometimes even scary. This phenomenon known as afterfire doesn't happen to your average car. In a combustion engine, vaporized fuel and oxygen are mixed together and ignited.

TBforeverhair.com "Gorilla Glue Girl" is coming out with her own line of hair care products, and says they'll hold a ponytail like glue, but without the nightmare side effects she infamously endured. Tessica Brown's launching her business Wednesday under the moniker "Forever Hair," and she's drawing inspiration from her own sticky situation -- telling us she wanted to create products for folks suffering from hair loss and damage, because she knows firsthand how that feels.

@gucci Well, we knew they were a thing, but Kendall Jenner and Bad Bunny wanted more, so they just made their relationship Instagram Official. KJ and BB are the faces of Gucci's new campaign -- Gucci Valigeria, and they both posted the pics on Insta, and those pics say it all. @gucci One photo shows Bad Bunny enveloping Kendall in his arms and lifting her up onto a stack of Gucci luggage.