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Kristin Cavallari

Stephen Lovekin/Getty Images

To say the past few months have been a roller coaster for Kristin Cavallari may just be an understatement.

While she has found joy with the birth of her daughter Saylor, the fashion designer recently experienced a huge loss with the death of her brother. But through all the ups and downs, Kristin has been able to find strength with the help of her beautiful children.

"Well, I'll tell you. The kids, I've found so much strength in the kids—especially Saylor," she shared with E! News at Wonderful Halos' charity event at the Boys & Girls Club of America in New York City. "You know, when tragedies happen and you have little kids, you can't fall apart. I had this teeny tiny baby I had to look after and so…you know, it's been hard."

She continued, "I have good days and bad days, but I look at my kids and I'm just so thankful that I have them and that they're all healthy. You know, and I have a great husband and that's what it's about. You have to appreciate everyone when they're in front of you."

Kristin Cavallari

Brad Barket/Getty Images for Wonderful Halos

Life threw Kristin another curve ball last month when she was injured after being hit by another driver in a car accident. She suffered a dislocated elbow, which proved to be quite the obstacle for the mom.

"At first, I could barely even move my hand. I couldn't hold my daughter for the first week which was really tough and my husband had to help me breast feed. So that was really glamorous! I mean, it wasn't very sexy," she explained. "So that was tough, not being able to hold her myself. But now I can."

Today, the Balancing in Heels author is still recovering from her injury with help from physical therapy. But instead of wallowing or complaining, the former reality star is feeling fortunate that things didn't end up far worse.

"I can't straighten my arm or completely bend it, but it'll happen eventually," she told E! News. "And the fact that I'm not in a cast and I have my arm and my kids weren't with me, I'm just so grateful."