Flight attendant Olivia Sievers travels often to Buenos Aires, Argentina, for work. On one such trip, she met a persistent stray dog whom she grew to love. 🐶 ❤️ http://on.hln.tv/6188BFlJq via CNN

If at first you don't succeed, try try again!

Police in Oklahoma make a surprise appearance at an autistic boy's birthday party. ❤️ 🎉 http://on.hln.tv/6187BFlKd via CNN

Ain't no party like a pajama party!!!

A baby white rhino was saved with CPR after it stopped breathing during a dehorning procedure. http://on.hln.tv/6182BFlJQ via CNN

Gunner Robinson's 11th birthday is August 15 -- but instead of asking for things, he's giving them. For the past three years, Gunner has requested shoes for his birthday. They actually are for children who might not be able to afford new ones. http://on.hln.tv/6182BFlyA via CNN

Watch these pranksters dressed as Pikachu play a practical joke on the citizens of Basel, Switzerland! 😉 http://on.hln.tv/6188BFlys via CNN

"Bodies change. Bodies grow. Bodies shrink. It's all love (don't let anyone tell you otherwise)."

Morrie Boogart, 91, has knit more than 8,000 hats for the homeless. ❤️ http://on.hln.tv/6186BFly8 via CNN

Can you make it through this video without squealing from all the cuteness?! 😻

Take a look at some favorites from the 1990s that are making a comeback! http://on.hln.tv/6186BFlGG via CNN

WATCH: A karate instructor stopped his class to give an emotional student an inspirational speech. http://on.hln.tv/6184BFl1G via CNN

Jeni Stepien lost her dad 10 years ago, but with the help of his organ recipient, her dad will be there to walk her down the aisle on her wedding day. ❤️

"I'm proud of my body. In just one year I've gained 50 pounds, and lost 37 ... My stretch marks and tummy pudge might not be sexy. But they're proof that I've done something amazing."

"My homegirl Martha and I have a special bond that goes back. We're gonna be cooking, drinking and having a good time with our exclusive friends. Can't wait for you to see how we roll together!" -- Snoop Dogg
(via CNNMoney CNN Entertainment)

You, sir! I demand a belly rub!

Design student Lucie Davis embeds subway card in her fingernails! http://on.hln.tv/6188BFl16 via CNN

Dion Leonard was competing in a week-long run across China's Gobi Desert when a friendly little dog started following him. 🐶 http://on.hln.tv/6183BFl1P via CNN

Solo synchronized swimming?! http://on.hln.tv/6189BFlGd