Lacey took third place with her partner Lance Bass on Dancing With The Stars season 7.
Lacey appeared in Christina Aguilera's music video for "Candyman" as a jitterbugger.
Lacey is taking part in iHollywood Dance, alongside her brother Benji, and several other contestants from So You Think You Can Dance?.
Lacey danced alongside Adam Sandler in the MTV Movie Awards 2008.
Lacey is featured in Elisa's music video "Rainbow".
During the tour that took place shortly after the end of So You Think You Can Dance? season 3, Lacey broke her knee and co-contesant Shauna Noland became her substitue until her knee had healed.
Shortly after the end of So You Think You Can Dance? season 3 it was confirmed that Lacey is in a relationship with co-contestant Hokuto "Hok" Konishi. However, they broke up around January of 2008.
Lacey's partners while on So You Think You Can Dance? include Kameron Bink, Danny Tidwell, Neil Haskell, and Pasha Kovalev.
Lacey was voted off So You Think You Can Dance? season 3 on August 16, 2007, garnering 4th place.
In addition to Swing and Latin dance styles, Lacey is a professional krumper.
Lacey's zodiac sign is Cancer.
Lacey says that when she was a child she was bribed to dance.
Due to the fact that Lacey and co-contestant Kameron were not in the bottom three couples throughout the first half of So You Think You Can Dance? they did not have to perform a solo routine until July 25, 2007, where each contestant was required to do so.
Lacey has won the United States Swing Championships three times as a junior, and two times as an adult. She had to get special permission to compete with adults because she was under eighteen years old.
On week 2 of So You Think You Can Dance right after the taping of the performance show, one of Lacey's friends, Mila, passed away. This made Lacey more aware of how fragile life is.
On a few occasions Lacey has said that the oppurtunity to be on So You Think You Can Dance? is a blessing.
Laurie Kauffman, Lacey's mom, states that Lacey has never drank any alcohol or tried any kind of drug.
Lacey wanted to audition for season 2 of So You Think You Can Dance?, but was too young, by fourteen days, for the show.
Lacey and her partner, Jared Murillo, took first place in the 2006 National Youth Latin Championships, held in Provo, Utah on March 10, 2006.
Although it has been said several times that Lacey is a ballroom dancer, she only has experience in Swing and Latin.
Lacey and co-contestant Kameron on So You Think You Can Dance have a fanship called "Kamcey."
Lacey states that the best thing about dancing with Kameron on So You Think You Can Dance is that he's very handsome, but the worst thing is that he sweats too much.
Lacey has a hair weave.
Lacey states that her most memorable dance experience was seeing her brother Benji winning Season 2 of So You Think You Can Dance.
Lacey says that she's been involved in musical theater her entire life.
Lacey's favorite professional dancer is Cyd Charisse.
Lacey's hobbies include doing hair/makeup, painting, and getting a tan.
Lacey states that she can spend money on anything.
Lacey's dance style is West Coast Swing, and International Latin.
When asked if Lacey had any formal dance training, she said that she had some help from her parents, but liked to watch people and learn from what she was seeing.
Lacey started dancing when she was six years old, but realized that dancing was her true passion at thirteen years old.
Lacey's nicknames include Sissyduckling, Birdie, Lace-Face, and Macy Gray.
Lacey(About how long her and her brother have been dancing): Y'know, we've been dancing since knee-high to a pig size.
Lacey (About Mia's contemporary choreography on So You Think You Can Dance): Mia's vision is so intense, I'm hoping I can just get half of it.
Lacey: I think being sublimely happy is the only thing I could ever hope for in life. If I'm dancing, or teaching, or having a family I would want to live life to the fullest as possible.
Lacey: I've had every hair style imaginable.
Lacey: My ambition right now in life is to make people happy through dance.
Lacey: My dad is my hero right now.
Lacey: Swing dance has been a part of my life since I was born.