Red Carpet Roundup: Lea Michele takes the plunge in velvet and Katie Holmes stuns in sheer frock

Stars were slaying red carpets left and right in the week leading up to the 2018 Grammys.

Hollywood's biggest stars made appearances at a handful of pre-Grammys events -- and all-black looks dominated the red carpet.

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Red Carpet Roundup: Week of January 22
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Red Carpet Roundup: Week of January 22

Lea Michele attended the 2018 Delta Air Lines Grammy weekend celebration in a pair of green velvet pants and a black bodysuit.

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Vanessa Hudgens epitomized rocker-chic at the 2018 Delta Air Lines Grammys celebration.

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Katie Holmes attended the 2018 Delta Air Lines Grammys celebration in a semi-sheer black dress and over-the-knee suede boots.

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Rita Ora rocked a crushed velvet LBD like no one can at the 2018 Warner Music Group Grammys celebration.

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Ashley Graham stunned in a strapless silver midi dress at the 2018 Warner Music Group Grammys bash.

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Hailey Baldwin raised the temps in a lace-up LBD at "Spotify's Best New Artist Party."

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Alicia Keys in a black polka-dotted turtleneck and faux leather skirt.

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Diane Kruger rocked a figure-accentuating corset with a simple white tank top and black trousers to celebrate her DuJour magazine cover at The VNYL.

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Victoria's Secret model Sara Sampaio kept it classy in a strapless black leather dress that hit just above her knees at a charity gala.

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Lea Michele dazzled in a pair of emerald green velvet trousers and a geometric bodysuit complete with a plunging neckline. Meanwhile, pal Vanessa Hudgens took rocker-chic to a whole new level in a head-to-toe black look complete with combat boots and a newsboy cap.

Meanwhile, Katie Holmes sent pulses racing in a semi-sheer black midi dress and a pair of over-the-knee boots, while Hailey Baldwin sent pulses racing in a barely-there, lace-up LBD. 

Ashley Graham, Rita Ora and Diane Kruger also donned some of the most memorable looks of the week -- check out the slideshow above for the complete list!

RELATED: Prettiest Grammys dresses of all time:

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Prettiest Grammys dresses of all time
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Prettiest Grammys dresses of all time
Jennifer Lopez in Ralph & Russo (2017)
Rihanna in Giorgio Armani (2012)
Celine Dion in Zuhair Murad (2017)
Aretha Franklin in red and gold gown and matching scarf (1970)
Beyonce in Peter Dundas (2017)
Taylor Swift in Versace (2016)
Rihanna in Azzedine Alaia (2013)
Natasha Bedingfield in blue floral gown (2011)
Alicia Keys in Alaia (2013)
Taylor Swift in Sandy Spika (2014) 
Chrissy Teigen in Johanna Johnson (2014)
Jennifer Lopez in Emilio Pucci (2011)
Taylor Swift in Zuhair Murad (2012) 
Beyonce in Proenza Schouler (2015)
Adele in Valentino (2013)
Shania Twain in a long-sleeved beaded white gown (1999)
Britney Spears in Oscar de la Renta (2000)
Whitney Houston in a blue strapless gown (1986)
Beyonce in Michael Costello (2014)
Taylor Swift in Elie Saab (2015) 
Celine Dion in Dior (2002)
Heidi Klum in Julien Macdonald (2011)
Lea Michele in Emilio Pucci (2011)
Mary J. Blige in J. Mendel (2015)
Mya in a strapless gray gown (2011)
Miley Cyrus in Alexandre Vauthier (2015)
Selena Gomez in Calvin Klein (2015)
Chrissy Teigen in Youself Al-Jasmi (2016)
Ciara in Emilio Pucci (2014)
Gwen Stefani in Versace (2015)
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