[1] To describe her as an actress, one reviewer said "She's part Mary Martin, Lucille Ball, Kristen Wiig and [fill in the blank with your favorite opera star because Molina has one of the most powerful and flexible voices in the annals of Broadway].

"[2] While performing on the first national tour of Sweeney Todd, she received the Independent Reviewers of New England (IRNE) Award for Best Supporting Actress.

[7] In 2019, she and her Skivvies partner Nick Cearley co-conceived a new actor-musician revival of "You're a Good Man, Charlie Brown", also playing Lucy and Linus, at the Cincinnati Playhouse in the Park.

She made her Broadway debut as Johanna in the 2005 revival of Sweeney Todd,[9] Described as a "sweet-voiced soprano who...plays the cello beautifully" by The New York Times, she received the Independent Reviewers of New England Award Best Supporting Actress, while performing on the first national tour, and was named as one of the "30 Under 30" featured on Broadwayspace.com.

Hilton Als, featured Molina in the "Critic's Notebook" of The New Yorker, saying "Most of the kudos for the current revival of Stephen Sondheim’s 1979 musical, “Sweeney Todd,” have gone to Patti LuPone and Michael Cerveris.

She was also a part of the Drama League Nominated, two person revival of Stephen Sondheim's Marry Me A Little with Jason Tam, off-Broadway at the Clurman Theatre with Keen Company.

Broadway world said, "...Lauren Molina, as Bella, gives one of those uproarious performances that used to make people stay home on Saturday nights to see on "The Carol Burnett Show."

She mugs unmercifully, belts out a sassy strip number and, [has an] homage to Groucho and Harpo's classic mirror scene in "Duck Soup.

[20] Lauren and her Skivvies bandmate, Nick Cearley, played Brad and Janet in The Rocky Horror Show at the Bucks County Playhouse directed by Hunter Foster in 2013.