Kaelyn Petras is an American YouTuber and social media influencer who came into the spotlight for co-running the YouTube channel titled Kaelyn and Lucy. She and her then-girlfriend Lucy Sutcliffe used to share videos documenting their relationship which became a big hit with young subscribers and the LGBTQ community. The channel had amassed 221k subscribers when the duo called it quits in September 2016 and removed all videos from the account. The last video on the channel was them announcing the split to their fans. In parallel with her YouTube stint and beyond that, Kaelyn has worked as a veterinarian at several medical institutions. After working in several institutions, she joined Arizona Veterinary Emergency & Critical Care Center in the town of Gilbert in January 2018.

Born Name

Kaelyn Petras

Nick Name


Sun Sign


Born Place

Royal Oak, Oakland County, Michigan, United States


Gilbert, Maricopa County, Arizona, United States



Kaelyn graduated with honors from the Notre Dame Preparatory School in Maryland in 2006. The same year, she joined the Michigan State University and graduated with a Bachelor of Science degree in Zoology.

She had also studied animal behavior and neurobiology there. In 2010, she got enrolled at the Ross University School of Veterinary Medicine in Basseterre, Saint Kitts and Nevis. She passed as a ‘Doctor of Veterinary Medicine’ (DVM) in 2014.


YouTuber, Social Media Influencer, Veterinarian


  • Father – John Petras
  • Mother – Donna Petras
  • Siblings – Chadwick Robinson (Brother)




5 ft 6 in or 167.5 cm


58 kg or 128 lbs

Girlfriend / Spouse

Kaelyn has dated –

  1. (2010–2016) – Kaelyn and Lucy had a 4-year long-distance relationship, that began in 2010, which they used to document on YouTube. In August 2014, they moved in together and the relationship continued for another 2 years when they announced to their followers that their journey together was coming to an end.
  2. Alycia Marie B (2016-2017)

Race / Ethnicity


She is of American descent.

Hair Color

Light Brown

Eye Color


Sexual Orientation


Distinctive Features

  • Petite frame
  • Charming smile
  • Radiant face
  • Shoulder-length, straight hair
  • Has a mole on her left shoulder

Kaelyn Petras Facts

  1. At Michigan State University, Kaelyn was the President of the ‘Spartan Pre-Professional Club’ and a member of the ‘Undergraduate Bioethics Society’.
  2. During her stint at the Ross University School of Veterinary Medicine, she had earned a Silver Certificate in ‘Veterinary Business Management’ and had served as a member of the ‘People for Animal Welfare in St. Kitts’.
  3. After graduating from Ross University, she worked as an emergency veterinarian, from June 2014 to December 2017, in several centers in Gilbert, Chandler, and Phoenix; cities in the state of Arizona.
  4. She has more than 50k followers on Instagram.

Featured Image by Kaelyn Petras / Instagram


Facts of Kaelyn Petras

  • full nameKaelyn Petras
  • weight58 kg
  • height5 ft 6 in

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