The Grease: Live star opted for an updated spin on the LBD in this star-printed Monique Lhuillier dress at the FOX Winter TCA All-Star Party in Pasadena, Calif., in January 2016.
The actress glittered in Kaufmanfranco at the People's Choice Awards at L.A.'s Microsoft Theater in January 2016.
Julianne wears a star-studded Naeem Khan gown at the Dancing With the Stars finale in November 2015.
Julianne went for just a bit of leg in a daringly printed Naeem Khan number at the American Music Awards in November 2015.
Julianne certainly stopped the show, so to speak, in this red Lorena Sarbu dress in October 2015.
Julianne left little to the imagination in Marchesa at the 67th Annual Primetime Emmy Awards in September 2015.
In September 2015, the former Dancing With the Stars pro struck a pose and pout to match in Leanne Marshall.
The TV judge stuns in Christian Siriano at a Dancing With the Stars taping in September 2015.
Julianne looks demure yet tasteful in this backless Zuhair Murad gown at the Harper's Bazaar ICONS event in New York City in September 2015.
The blond beauty wore a mid-length lace frock at the Marchesa Spring 2016 fashion show during New York Fashion Week in September 2015.
Julianne wore a sheer black button down, revealing just a bit of her black bra beneath her pink jacket, at the J. Mendel fashion show in September 2015.
Julianne looked impeccably sweet in Monique Lhuillier at the Television Academy's cocktail reception for the 67th Emmy Award Nominees for Outstanding Choreography in Beverly Hills.
In March 2015, the Safe Haven beauty went casual in Temperley London at the AOL Build Speakers series in NYC.
Julianne wears a nude Temperley London slip dress to NYC's SiriusXM Studios in March 2015.
The actress carried this floral Naeem Khan gown with grace and a perfectly-coiffed 'do to match at Elton John's Oscar party in February 2015.
Julianne wore this fiery orange Zuhair Murad gown to the American Music Awards in November 2014.
The actress opted for a menswear-inspired Michael Kors suit at the launch of Claiborne Swanson Frank's Young Hollywood portrait book in October 2014.
Julianne stepped out in this DSquared2 white column gown at the Primetime Emmy Awards in September 2014 in what may have been one of the young star's best red carpet looks to date. Her perfectly tousled locks didn't look too shabby, either.
How to look alluringly unkempt with intention: a lesson courtesy of Julianne. The actress ravished in Emilio Pucci at the MTV Video Music Awards in August 2014.
The actress wore this black Chantilly lace Emilio Pucci number to the InStyle and Warner Bros. Golden Globes after-party in January 2014.
Julianne modeled a black jumpsuit paired with a messy top knot to the Escada and W magazine shopping event in September 2013.
Julianne wore this sheer long sleeve Emilio Pucci mini to Estée Lauder's Modern Muse fragrance launch party at NYC's Guggenheim Museum in September 2013.
Julianne's baby blue Calvin Klein Collection frock paired well against her tanned skin and bright locks—not to mention those silver pumps—at Elle's 21st Annual Women in Hollywood Celebration in October 2013.
Julianne wore a sheer Jenny Packham gown to the Primetime Emmy Awards in September 2013.