Nikki Haley is sharpening her attacks towards Donald Trump with only four days left until the South Carolina Republican primary. Plus, new protests are erupting after the death of Vladimir Putin’s most vocal critic, Alexei Navalny, as his widow and mother speak out. Also, the Kelce brothers are pledging support for the victims of the Kansas City Chiefs parade shooting. And, Vicky Nguyen shares what you need to know about the growing popularity of weight loss drugs with kids and teens.

NBC’s Senior Business correspondent Christine Romans explains the best travel hacks to help plan your next vacation. Plus, the highly anticipated Apple Vision Pro has received mixed reviews from users. Also, NBC’s medical contributor Dr. Natalie Azar answers common questions about prescription drugs. And, Ally Love shares the story of the Power Plus Wellness members and their goal to make exercise more inclusive.

Vicky Nguyen shares the biggest sales online and in store and what you can wait to buy. Plus, Chloe Melas highlights the best moments from the BAFTA awards in London. Also, Laura Jarrett shares an inspiring story on a trailblazing curator of the Morgan Library. And, Peter Alexander and Laura Jarrett catch up with two time academy award winner Hilary Swank, on her new movie “Ordinary Angels.”

Nikki Haley is ramping up attacks on Former President Donald Trump with South Carolina’s Republican primary coming up, as Trump’s legal issues dominate on the trail. Plus, tensions between the United States and Russia are high as the White House weighs in on the death of Alexei Navalny. Also, Joel Olsteen speaks out at the first church service held since the mass shooting at his church last week.

And, Colorado police are searching for answers after two people were shot and killed in the dorms at the University of Colorado at Colorado Springs.

A new lawsuit takes a swipe at popular dating apps, claiming they’re addictive. Plus, Caitlin Clark breaks the NCAA women's basketball scoring record – the Iowa women’s basketball head coach joins NBC’s Harry Smith LIVE. Also, Dr. Michael Wolfeld debunks some common held beliefs about hair loss. And, Ewan & Clara McGregor LIVE in Studio 1A to talk about their new father-daughter film “Bleeding Love.”

Russian opposition leader Alexei Navalny found dead at a Russian prison. Plus, a date has been set in Donald Trump’s New York hush-money trial as District Attorney in his Georgia election interference case takes the stand. Also, Jenny Cavnar LIVE in Studio 1A to talk about making history as the first female MLB play-by-play announcer. And, Consumer Reports' digital lifestyle editor Elliot Weiler shares what the best mattresses are for President's Day weekend sales.

Russian opposition leader Alexei Navalny found dead at a Russian prison. Plus, a date has been set in Donald Trump’s New York hush-money trial as District Attorney in his Georgia election interference case takes the stand. Also, new revelations in the Hunter Biden special counsel investigation. And, Iowa women’s basketball star Caitlin Clark breaks the NCAA women's basketball scoring record.

One person has died and many more wounded in a shooting at the end of the Kansas City Chiefs' Super Bowl victory parade. Also, NBC News Medical Contributor Dr. Natalie Azar shares some modern medicine trends to help you make healthier choices. Plus, the story behind a designer with an unconventional background that inspires her vibrant designs. And, Shop All Day contributor Chassie Post with some President’s Day deals on products from home and design to fashion and beauty.

One person has died and many more wounded in a shooting at the end of the Kansas City Chiefs' Super Bowl victory parade. Also, Jennifer Lopez live in studio 1a to catch up and discuss her latest and deeply personal project. Plus, Kelly Rowland joins the show ahead of the release of her new film “Mea Culpa.” And, TODAY style: Beauty Director of Harper’s Bazaar, Jenna Rosenstein, shares the magazine’s 2024 hair awards.

One person has died and many more wounded in a shooting at the end of the Kansas City Chiefs' Super Bowl victory parade. Also, the latest on the mystery “national security threat” amid reports that it could involve Russian nuclear weapons. Plus, the fallout from a Southwest Airlines passenger fist fight raises questions about unruly customers. And, Iowa College Basketball star Caitlin Clark eyes to break the NCAA Women’s scoring record tonight.