C on Monday night. Scroll down for video Sweet serenade: C on Monday night The stunning star looked sensational in a slinky cowl neck black gown and sparkly platform high heels for her performance.
Jennifer's black dress fitted the singer like a glove and clung to her curves in all the right places. She accessorised with large hoop earrings, an oversized cocktail ring and several bejewelled bangles, and wore her hair out in tumbling curls Slinky: The stunning star looked sensational in a slinky cowl neck black gown and sparkly platform high heels for her performance The perfect choice: Jennifer's black dress fitted the singer like a glove and clung to her curves in all the right places Jennifer sang and watched on as a clearly smitten President and his wife of 20 years kissed as they waltz around onstage.
One was The Inaugural Ball and the other was the Commander-in-Chief's Ball, and many of the performers appeared onstage at both. Meanwhile, Alicia Keys slipped into a slinky sequined red backless gown as she sat down at her piano to perform.
And she certainly didn't disappoint. The President and his wife waltzed away to the sounds of the songstress Glittering: Jennifer accessorised with large hoop earrings, an oversized cocktail ring and several bejewelled bangles, and wore her hair out in tumbling curls As Alicia did a blazing rendition of her hit song, Girl On Fire. Belting out the words and hitting the keys on her piano, the stunning star had the audience captivated. Alicia even altered the lyrics of the song especially for the President, singing that it was indeed Obama who was the one which was on fire.
The President and his wife danced cheek-to-cheek May I have this dance? Obama took Michelle by the hand at the beginning of the dance The songstress looked glamorous for her appearance onstage, wearing a pair of huge diamond chandelier earrings in her ears and her currently cropped hairstyle expertly coiffed.
As she walked out to deafening cheers, she waved to fans and beamed from ear-to-ear. With the formal portion of the day over, all that was left for Barack and Michelle was to kick up their heels at the Inauguration Ball to celebrate his second term.
The Obamas appeared on stage at the Washington Convention Center to wild cheering and thunderous applause from thousands of people. The Obamas hit the floor together Applause: The couple, along with the rest of the crowd, gave Jennifer a rousing applause First Lady Michelle's choice of dress was finally revealed - a dramatic, red chiffon and velvet gown by Jason Wu. The designer had also created her dress for the ball.
Obama paid tribute to his wife saying that although he was often criticized as President, 'nobody disputes the quality of the First Lady'. The Obamas were scheduled to attend two glitzy occasions on Monday evening. That's far fewer than the ten they attended after the inauguration, though this year's events are still expected to draw up to about 40, people.
The President spoke briefly and offered his deep gratitude to the military, saying: C on Monday night Alteration: Alicia even altered the words of the song especially for Obama, singing that it was indeed the President who was the one which was on fire The First Lady's choice of the same dress designer surprised many as she had returned to Wu, whose career was made by her decision four years ago.
The President's second inauguration sees the lowest number of official balls in 60 years. Obama cut back this year's festivities to two balls and a concert honoring military families as an effort to reduce government spending in line with current economic conditions. Toast of the town: