Keilly Alonso Bio: family, boyfriend, height, net worth

Yes, Keilly Alonso is Gen Z. She was born on May 23, 2007, and so she’s currently 18 years old. Her relationship with her boyfriend, Diego Garcia, which began in 2023, has fans loving their cute TikTok videos and YouTube vlogs. She’s best known for co-running the Keilly and Kendry YouTube channel with her brother, boasting over 310,000 subscribers.

In April 2025, fans on TikTok praised her latest couple’s video with Diego, calling their chemistry “goals.” Her solo channel, Keilly Alonso, has grown to 248,000 subscribers, with 28.6 million views as of [month] [year]. Her Keilly and Kendry video “OPENING CHRISTMAS PRESENTS 2019” has over 220,000 views, a fan favorite.

Got it? Well, now, let’s get into everything else we found out about her. Let’s get it. :)!

Quick Info

• Full Name: Keilly Alonso
• Birthday: May 23, 2007
• Age: 18 years old
• Birthplace: Florida, United States
• Current Home: Florida, United States
• Zodiac Sign: Gemini
• Generation: Gen Z
• Net Worth: About $300k thousand

Who Is Keilly Alonso?

Keilly Alonso, also known as Keilly.aox, is an American YouTuber, TikToker, and social media personality from Florida. She’s famous for co-founding the Keilly and Kendry YouTube channel with her brother Kendry, where they create slime content, challenges, and vlogs, amassing over 310,000 subscribers.

Her personal YouTube channel (@keillyalonso3090) has 248k thousand subscribers and 28.6 million views, featuring GRWM, unboxing, and makeup tutorials, while her TikTok (@thekfamily33) has 380k thousand followers and 48.6 million likes.

Early Life

Keilly Alonso was born on May 23, 2007, in Florida, USA, to Yelany and Alexander Alonso, in a tight-knit White American family with Christian values. She grew up with two older brothers: Kendry, born February 9, 2005, who’s two years older, and Kevin, the eldest, who runs the YouTube channel Stepback with over 30,000 subscribers.

Her cousins, Emily and Alisson, run the popular Sister Forever YouTube channel, making content creation a family affair. Keilly’s childhood was filled with creativity, and she’s always been close to her family, especially Kendry, with whom she started making videos.

They have a chihuahua mix dog named Hercules, introduced in a July 2017 Keilly and Kendry video, who often appears in their content. Her bubbly personality and early interest in acting and vlogging set the stage for her social media career.

Education

Keilly completed her early schooling at a local high school in Florida, balancing her studies with her growing YouTube career. As a teen influencer, she likely used homeschooling or flexible schooling to manage her busy filming schedule, though specific details aren’t public.

She’s not known to be pursuing college, focusing instead on her social media and content creation full-time.

Career Timeline

Keilly Alonso launched her YouTube journey on June 29, 2017, creating the channel Keilly Slays, where she posted her first video, “Justice Haul (first Video).” Early solo videos like “Slime Smoothie” and “Funny Try On Haul ‘Keilly and Sister Forever’” showcased her fun vibe.

She later introduced Kendry in “Meet My Pet!!! Keilly&Kendry” on July 21, 2017, renaming the channel Keilly and Kendry. The channel grew with slime tutorials, challenges, and vlogs, hitting 310,000 subscribers by 2023, with popular videos like “Making Slime For My Friends!” and “Overnight Challenge In Our Swimming Pool!!!”

On December 31, 2017, she started her personal channel, Keilly Alonso, uploading her first video, “Q & A /MY FIRST VIDEO KEILLY FROM KK’S WORLD,” on January 1, 2018.

Her solo content, including “SURPRISING MY DAUGHTER WITH A NEW IPHONE DURING QUARANTINE!” with 465,000 views, has earned 248,000 subscribers and 28.6 million views by October 2024. She also appears on The K Family channel, launched August 2, 2018, with family vlogs featuring her parents and brothers.

Social Media Presence

Keilly’s Keilly and Kendry YouTube channel has over 310,000 subscribers, with tens of millions of views for slime, challenge, and vlog content. Her personal YouTube (@keillyalonso3090) has 248,000 subscribers, 478 videos, and 28.6 million views, averaging 620 likes per video.

On TikTok (@thekfamily33), she has 379,300 followers and 48.6 million likes, often posting couple’s videos with Diego Garcia. Her Instagram (@officially.keilly) has over 160,000 followers, featuring beach photos, while her joint account with Kendry (@keilly_kendry_) has 73,500 followers.

Relationship

Keilly Alonso has been open about her relationship with her boyfriend, Diego Garcia, which began in 2023. The couple has shared their romance publicly, posting adorable TikTok videos and YouTube vlogs that highlight their chemistry, with fans on X in April 2025 calling them “couple goals.”

Their content includes cute challenges and day-in-the-life vlogs, showing a strong bond. Before Diego, Keilly wasn’t known to be dating anyone, focusing on her career and family.

She’s never been married and has kept past relationships, if any, private, noting in a Q&A that she’s waiting for the right person and time for love. Her current relationship with Diego appears steady, with no signs of breakups as of May 2025.

Physical Appearance

• Height: 5 feet 6 inches (167 cm)
• Weight: 121 pounds (55 kg)
• Body Type: Curvy, fit
• Skin Tone: Light
• Hair Color: Ginger
• Eye Color: Brown

Net Worth

In [year], Keilly Alonso’s net worth is estimated at $300k thousand. She earns from YouTube ad revenue (estimated $2,700–$42,800 annually from her personal channel), TikTok, and Instagram sponsorships, charging $500–$833 per post based on her 10% engagement rate.

Her consistent uploads (4–5 videos weekly) and growing fanbase suggest her income will rise.

Fun Facts

• Keilly’s dog, Hercules, a chihuahua mix, is a star in her videos.
• Her cousins run the Sister Forever YouTube channel.
• She started her channel as Keilly Slays before rebranding.
• Keilly’s favorite Team 10 member is Chad Tepper, per a Q&A.
• Her video “SURPRISING MY DAUGHTER WITH A NEW IPHONE” has 465,000 views.
• She and Diego Garcia’s couple videos are fan favorites on TikTok.
• Keilly’s brother Kevin’s Stepback channel has over 30,000 subscribers.

FAQ

Who is Keilly Alonso dating?
 Keilly is dating Diego Garcia, confirmed in 2023.

How did Keilly become famous?
 She gained fame through Keilly and Kendry YouTube channel with slime and challenge videos.

Where is she from?
 She’s from Florida and still lives there.

What kind of content does she make?
 Keilly creates slime tutorials, challenges, vlogs, GRWM, and makeup tutorials.

What is Keilly Alonso net worth?
 Her net worth is about $300k thousand in [year].