Fierce Look: Serena Williams turned heads on the red carpet with her hip-hugging black and red gown.

The 5ft9 athlete wore a form-fitting custom Armani Privé gown made of black silk.

The gorgeous outfit featured a crimson jeweled bustier top that accentuated her cleavage.

The strapless dress also showed off her impressively strong arms.

The athletic legend had her hair swept back in a long ponytail running down her back.

Figure-hugging: The 5ft9in athlete wore a form-fitting custom Armani Privé gown made of black silk

Sexy top: The gorgeous outfit featured a crimson jeweled bustier top that accentuated her cleavage

Athletic figure: The strapless dress also showed off her impressively strong arms. The athletic legend had her hair swept back in a long ponytail running down her back

Serena took to the stage to introduce the montage for Best Picture contender A Star Is Born.

The remake of the classic Hollywood story is up for seven Academy Awards.

Early in the evening it lost the Best Cinematography award to Roma’s Alfonso Cuarón, who also directed the Mexican feature. It also missed out on Best Adapated Screenplay to Spike Lee for BlacKkKlansman.

Best Picture: Serena took to the stage to introduce the montage for Oscar contender A Star Is Born

High-powered hitter: The remake of the classic Hollywood story is up for seven Academy Awards

Tough luck: Early in the evening it lost the Best Cinematography award to Roma’s Alfonso Cuarón, who also directed the Mexican feature. It also missed out on Best Adapated Screenplay to Spike Lee for BlacKkKlansman

Earlier on Sunday, the tennis titan showed off her ‘Pre-Oscars beauty routine’ to her Instagram Stories, which included a frenetic singles game.

Serena posted another Instagram story on the way to the Dolby Theatre in which she showed off her fancy look.

‘So I’m on my way to the Oscars, like I said,’ she began. ‘I have the best husband, he’s at home working hard, with the 𝚋𝚊𝚋𝚢, and he’s 𝚋𝚊𝚋𝚢 sitting. He could be here with me, but he’s like, ‘Nope, I’ll be with my daughter.’ I’m so lucky.’

Mid-ceremony, her husband, Reddit co-founder Alexis Ohanian posted a sweet black and white picture of the star athlete getting ready for the awards with her young daughter, one-year-old Alexis.

On Saturday, Serena showed up at Hollywood’s Dolby Theatre for the Oscars rehearsal in a more casual quilted red top and black leggings.

Athletic prowess: Earlier on Sunday, the tennis titan showed off her ‘Pre-Oscars beauty routine’ to her Instagram Stories, which included a frenetic singles game

Thanking the hubbie: ‘So I’m on my way to the Oscars, like I said,’ she began. ‘I have the best husband, he’s at home working hard, with the 𝚋𝚊𝚋𝚢, and he’s 𝚋𝚊𝚋𝚢 sitting. He could be here with me, but he’s like, ‘Nope, I’ll be with my daughter.’ I’m so lucky’

Mother and daughter: Mid-ceremony, her husband, Reddit co-founder Alexis Ohanian posted a sweet black and white picture of the star athlete getting ready for the awards with her young daughter, one-year-old Alexis

Saving it for Sunday: On Saturday, Serena showed up at Hollywood’s Dolby Theatre for the Oscars rehearsal in a more casual quilted red top and black leggings