Photo: Steve Granitz/FilmMagic (2)

John Hamm and Anna Osceola arrives at the Vanity Fair Oscar Party Hosted By Radhika Jones; John Hamm and Anna Osceola arrives at the Vanity Fair Oscar Party Hosted By Radhika Jones

We caught a glimpse of not one, but two stunning new celebrity engagement rings at theOscars 2023afterparties — with bothJon Hamm’s fiancée Anna OsceolaandhisMad MencostarChristina Hendricksdebuting their new bling.

Hamm, 51, and Osceola, 34, were at theVanity FairOscar afterpartyalongside a star-studded guestlist that includedbest actress Michele Yeohandbest actor Brendan Fraser.

Osceola’s engagement ring appears to be a simple (but unmissable) emerald-cut solitaire diamond — the standout in an otherwise understated jewelry look to go wit the black-and-white gown sparkling green clutch she wore to theVanity Fairparty. Her fiancé complemented her ensemble in a classic tux.

Hamm and Osceola first reportedly met on the set of the AMC seriesMad Menin 2015, before beingspotted together on several occasionsand were romantically linked in 2020. PEOPLEconfirmed their engagement news in February 2023.

Matt Winkelmeyer/VF23/WireImage for Vanity Fair

Jon Hamm and Anna Osceola attends the 2023 Vanity Fair Oscar Party Hosted By Radhika Jones

Meanwhile, Hendricks, 47, was at theElton John AIDS Foundation’s 31st Annual Academy Awards Viewing Party with husband-to-be,camera operator George Bianchini.

Similar to her fellowMad Mencostars, Hendricks had only recently confirmed her engagement to Bianchini.

Taking to Instagram to announce the happy news on March 10, Hendricks said “We proposed to each other and we said yes!!! I will love and care for him forever.”

In a statement to PEOPLE, Hendricks said “We started dating in 2020. The proposals were quiet and romantic and done separately in special places that have meaning to us.”

Earl Gibson III/Shutterstock; Vivien Killilea/Getty Images for Tequila Don Julio

George Bianchini, Christina Hendricks Elton John AIDS Foundation Academy Awards Viewing Party

Hendricks' engagement ring appears to be a vintage-inspired style, with multiple diamonds inset into an intricate design on the band. The actress wore a turquoise gown tothe Oscarsviewing party and Bianchini sported a tuxedo speckled with Swiss dot embossing.

Emma Watson,Heidi KlumandHilary Duffwere among the many stars who also attended theElton Johnevent.

Hamm and Hendricks starred together in the critically-acclaimedMad Men, and Osceola appeared in the series' final episode. She had a small role, playing the receptionist at Esalen, a spiritual California retreat that Hamm’s character (Don Draper) attended.

At the time, Hamm, was in a long-term relationship with Jennifer Westfeldt. The couplesplitmonths later after 18 years together.

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Hendricks and Bianchini worked together on the first season of her NBC crime comedy-dramaGood Girls, which premiered in 2018 andended after 4 seasonsin 2021. They werefirst romantically linkedin November 2021 when they attended aChristian Sirianoexhibit together in Georgia

Christina Hendricks/instagram

https://www.instagram.com/p/Cpno-nVvjHq/?hl=en https://www.instagram.com/stories/actuallychristinahendricks/3055607297986245670/?hl=en — Christina Hendricks Engaged to George Bianchini After They ‘Proposed to Each Other’: ‘We Said Yes’

Hendricks was previously married to actor Geoffrey Arend;they filed for divorce in 2019.

source: people.com