EXCLUSIVE: Kristin Cavallari opens up about brother's death and scary car accident: 'I have such an appreciation for life'

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EXCLUSIVE: Kristin Cavallari Is Counting Her Blessings Following Car Accident and Brother's Death

Kristin Cavallari has certainly had it rough lately, but she's looking on the bright side.

"I'll be honest, getting in this car accident and everything else that's been going on in my life the last few months, I have such an appreciation for life," she told ET at a Wonderful Halos and Boys & Girls Clubs of America event to promote healthy snacking.

The 29-year-old mother of three was rushed to the hospital after a car accident in January, just a month after her brother, Michael, went missing and was ultimately found dead in Utah.

"I'm just grateful for everyone and everything in my life," Cavallari said. "This car accident could have been so much worse. It was extremely scary...[but] my arm's not broken. I can still function, and none of my kids were with me."

NEWS: Kristin Cavallari Couldn't Hold Baby Saylor for a Week After Car Accident

​The accident -- Cavallari says it was the first wreck she has ever been in -- occurred on Jan. 21, after she was cut off by another vehicle. The former reality star was taken from the scene on a stretcher and learned that she had dislocated her elbow.

"I didn't black out, but I definitely think I went into shock a little bit. I couldn't move my arm, it was like, dangling in my lap. I was for sure I broke it," she recalled. "I managed to call my husband and I was like, 'I broke my arm! You have to come right away!'"

See photos of Kristin Cavallari from over the years:

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EXCLUSIVE: Kristin Cavallari opens up about brother's death and scary car accident: 'I have such an appreciation for life'
NEW YORK, NY - SEPTEMBER 17: Kristin Cavallari attends the Kristin Cavallari By Chinese Laundry presentation at Row NYC on September 17, 2015 in New York City. (Photo by Grant Lamos IV/Getty Images)
NEW YORK, NY - SEPTEMBER 16: Kristin Cavallari attends The Blonds show during Spring 2016 MADE Fashion Week at Milk Studios on September 16, 2015 in New York City. (Photo by Andrew Toth/FilmMagic)
CENTURY CITY, CA - MAY 09: Kristin Cavallari attends the JDRF LA 2015 Imagine Gala at the Hyatt Regency Century Plaza on May 9, 2015 in Century City, California. (Photo by Todd Williamson/Getty Images for JDRF)
CENTURY CITY, CA - MAY 09: Kristin Cavallari and Jay Cutler attend the JDRF LA 2015 Imagine Gala at the Hyatt Regency Century Plaza on May 9, 2015 in Century City, California. (Photo by Todd Williamson/Getty Images for JDRF)
NEW YORK, NY - FEBRUARY 12: Kristin Cavallari attends the Go Red For Women fall 2015 fashion show on February 12, 2015 in New York City. (Photo by Taylor Hill/FilmMagic)
NEW YORK, NY - FEBRUARY 13: Kristin Cavallari attends the August Getty fashion show during Mercedes-Benz Fashion Week Fall 2015 at The Salon at Lincoln Center on February 13, 2015 in New York City. (Photo by Stephen Lovekin/Getty Images for Mercedes-Benz Fashion Week)
DORAL, FL - JANUARY 25: Kristin Cavallari attends The 63rd Annual Miss Universe Pageant at Trump National Doral on January 25, 2015 in Doral, Florida. (Photo by Rodrigo Varela/Getty Images)
WEST HOLLYWOOD, CA - OCTOBER 23: Reality TV Personality Kristin Cavallari attends the Life & Style Weekly's 10th anniversary party at SkyBar at the Mondrian Los Angeles on October 23, 2014 in West Hollywood, California. (Photo by Paul Archuleta/FilmMagic)
LOS ANGELES, CA - OCTOBER 23: Kristin Cavallari is seen on October 23, 2014 in Los Angeles, California. (Photo by Bauer-Griffin/GC Images)
CHICAGO, IL - OCTOBER 18: Kristin Cavallari attends the Kristen Cavallari Chinese Laundry event at Nordstrom on October 18, 2014 in Chicago, Illinois. (Photo by Tasos Katopodis/Getty Images for Nordstrom)
NEW YORK, NY - SEPTEMBER 11: Kristin Cavallari attends STYLE360 Hosts Kristin Cavallari By Chinese Laundry Preview Party At Row NYC at Row NYC on September 11, 2014 in New York City. (Photo by Thomas Concordia/WireImage for STYLE360)
CHICAGO, IL - SEPTEMBER 09: Kristin Cavallari attends Michigan Avenue Magazine's Fall Fashion Issue Celebration With Kristin Cavallari at W Chicago Lakeshore on September 9, 2014 in Chicago, Illinois. (Photo by Jeff Schear/Getty Images for Michigan Avenue Magazine)
LOS ANGELES, CA - AUGUST 06: Kristin Cavallari is seen in Beverly Hills on August 06, 2014 in Los Angeles, California. (Photo by Pixplus/Bauer-Griffin/GC Images)
CHICAGO, IL - SEPTEMBER 09: (L-R) Jay Cutler, Kristin Cavallari, and President and Publisher of Michigan Avenue Magazine Dan Uslan attend Michigan Avenue Magazine's Fall Fashion Issue Celebration With Kristin Cavallari at W Chicago Lakeshore on September 9, 2014 in Chicago, Illinois. (Photo by Jeff Schear/Getty Images for Michigan Avenue Magazine)
BEVERLY HILLS, CA - JULY 27: TV personality Kristin Cavallari attends the International Fashion Film Awards held at the Saban Theatre on July 27, 2014 in Beverly Hills, California. (Photo by Tommaso Boddi/WireImage)
LOS ANGELES, CA - APRIL 09: Kristin Cavallari is seen on April 09, 2014 in Los Angeles, California. (Photo by Bauer-Griffin/GC Images)
LOS ANGELES, CA - APRIL 09: Kristin Cavallari is seen at LAX on April 09, 2014 in Los Angeles, California. (Photo by GVK/Bauer-Griffin/GC Images)
PASADENA, CA - APRIL 08: Kristin Cavallari arrives at the NBCUniversal's 2014 Summer Press Day held at Langham Hotel on April 8, 2014 in Pasadena, California. (Photo by Michael Tran/FilmMagic)
PASADENA, CA - APRIL 08: Actresses Orly Shani (L) and Kristin Cavallari attend NBCUniversal's Summer Press Day at Langham Hotel on April 8, 2014 in Pasadena, California. (Photo by Michael Buckner/Getty Images)
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Still, her injury prevented her from holding 2-month-old daughter Saylor for a week, and her husband, Chicago Bears quarterback Jay Cutler, even had to help her nurse.

"My husband, poor thing, had to actually help me breastfeed," Cavallari revealed. "So, he was putting Saylor up to my boob and I could get one arm around her. But she's a newborn, she can't even hold up her own head, so it's not like I could prop her up on my hip."

PHOTOS: Check Out Which Stars Are Sharing Pics of Their Adorable Kids

Morning snuggles with my girl. First time I've been able to hold her by myself in a week. #GirlsTrip #LA

A photo posted by Kristin Cavallari (@kristincavallari) on



Now that the accident is behind her, the one-time Laguna Beach star is happily back to full-time mommy duties.

"Saylor is a rockstar! She's my best baby," she said of her newborn, whom the couple welcomed on Nov. 23. "It might be because she's my third and I knew what to do and expect and I'm so confident now, but she's so easygoing and she's my best sleeper...My middle child, Jaxon, was a tough baby. So, I feel like we paid our dues with him."

Cavallari told us that her oldest child, 3-year-old Camden, immediately fell in love with his sister "from day one," while 1-year-old Jaxon took a bit of time to warm up to her. "It's fun having a little girl," she said. "It's different. People, the whole time I was pregnant, said it was going to be different and I didn't really believe them."

"There is something about it. Your little girl is your girl!" she continued. "I have such a great relationship with my mom, that I'm really looking forward to having that with my daughter as well."

As for if there will be any more additions to their family? Cavallari quickly shut it down, declaring with a laugh, "We're done! Three is the max!"

Meanwhile, Vanessa Hudgens wants to thanks fans for supporting her in Grease: Live. The actress' father passed away shortly before the show and she dedicated her performance to him.

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