Rihanna sent her fans to a frenzy after she posted a video of her dancing in front of a Christmas tree and showing off her sexy Savage X Fenty bra. The "Diamonds" singer showed how to party alone at home while subtly promoting her brand.

On Tuesday, RiRi shared several clips on her Instagram Story that showed her dancing to music in front of a stunning 10-foot tall Christmas tree while holding her new metal hand bookstand. In the clip, the fashion mogul is seen wearing an unassuming black hoodie but beneath it is a sexy black lingerie. It appears that the brassiere is from RiRi's Savage x Fenty range.

"When they left you home alone with Alexa," she captioned the video.

The bookstand that RiRi is holding in the clip is one of the three different limited-edition bookstands that the Fenty founder and the Haas brothers made for RiRi's newly released visual autobiography, The Rihanna Book. The one that Rihanna is holding in the clip is called the Fenty x Phaidon edition. It is modeled after Rihanna's hands.

Aside from the sexy lace lingerie and bookstand, the "Umbrella" hitmaker's braid hairstyle also caught the attention of her followers. Rihanna debuted her new holidays' hairstyle during the British Fashion Awards in London last week.

At the event, the singer/actress rocked two stunning looks. First, she was dressed in a teal satin mini dress that she paired with sheer gloves and cape. Rihanna won the Urban Luxe Award of the night for her Fenty brand.

After the award show, RiRi changed into her party outfit. She was photographed in a little black dress topped with a black leather jacket and a pair of pointed-toe pumps.

Rihanna also took to her Instagram Story and danced around while holding her award from the BFAs. She was clad in a black tuxedo jacket with white lapels. Her friend and collaborator Jahleel Weave later joined the singer in the clip.

Meanwhile, the Ocean's 8 actress also dropped new sexy videos for her Fenty Beauty line. In the clips, Rihanna is sporting a gold metallic bikini while showing off her glittering skin and glossy lips.

In the first video, the "Work" singer brushed the gold shimmer powder throughout her chest, highlighted the brand's fairy bomb shimmer powder, called "Trophy Wife." In the second clip, she is seen applying her glossy lip color "Trophy Wife Life" on her lips.