Kendall and Kylie Jenner
Reality TV stars Kendall Jenner (left) and Kylie Jenner appear at the Much Music Video Awards in Toronto, June 15, 2014. Reuters

For the past few months, it has been speculated that the youngest Kardashian sister got lip injections to plump up her upper and lower lips. If one looks at photos of Kylie Jenner in 2012 and photos of her now, it is evident that a change has been made to her lips. But did she actually get surgery?

Jenner has expressed her outrage over the plastic surgery rumors in April, writing on Twitter, “These plastic surgery rumors hurt my feelings, to be honest, and are kinda insulting. … Just in case anyone forgot ... I’m 16.” So is it just a great lip plumper? It's not likely. “It appears she has had hyaluronic acid injected into her lips. This is administered via fillers such as Juvederm and Restylane,” Dr. Diamond, who has not worked with Jenner, told Radar Online.

Take a look at Jenner’s photos over the years. Do you think she got lip injections?

Kylie Jenner in August 2012

Kylie Jenner in October 2012

Kylie Jenner in November 2012

Kylie Jenner in December 2012

Kylie Jenner in January 2013

Kylie Jenner in March 2013

Kylie Jenner in May 2013

Kylie Jenner in July 2013

Kylie Jenner in August 2013

Kylie Jenner in September 2013

Kylie Jenner in November 2013

Kylie Jenner in December 2013

Kylie Jenner in January 2014

Kylie Jenner in February 2014

Kylie Jenner in March 2014

Kylie Jenner in April 2014

Kylie Jenner in May 2014

Kylie Jenner in June 2014

Kylie Jenner in July 2014