Lili was interested in singing, acting, and dancing since her young age. Lili took her first step in the film industry in 2010 through the short film, ''For Today'' as a supporting role of Rachel.
Following, Lili appeared in numerous movies including, Not Waving But Drowning, The Kings of Summer, The First Hope, Gibsonburg, Miss Stevens, The Good Neighbour and much more.
Similarly, Lili debuted on the television through the 2011's television series, Law & Order; Special Victims Unit as Courtney Lane alongside Mariska Hargitay, who played Olivia Benson on the series. Following this, Lili appeared in various series such as Scientastic, Surviving Jack, Cocked and many others.
However, she came into the limelight after appearing in 2017 famous television series, 'Riverdale'' as Betty Cooper, for which she won the ''Teen Choice Award."
Talking about her personal life, Lili belongs to the white ethnicity and holds an American nationality. Reinhart is unmarried till this date. She is in a relationship with her boyfriend, Cole Sprouse, an American actor.
At present, the couple is enjoying their relationship without any news or rumors of a separation, neither they have plans for their marriage. Moreover, there are no any records of her past affair or extra-marital relationship.
Accounting her economic aspects, Lili earns a satisfying amount. Her current net worth is $2 million and earns a six-figure digit annually. She roughly makes $300 thousand per episode of Riverdale, while her co-stars from the series, Ashleigh Murray makes $400 thousand and Camila Mendes makes $600 thousand.