Rounding up all the fabulous parties and great celebrity sightings of 2014, some spent it at home, others in exotic locales, and always with someone special.

But here's the biggest question on (almost) everyone's minds-who kissed who at midnight?

Apparently Miley Cyrus and Arnold Schwarzenegger was off partying in Vegas to welcome 2015, with the musician posting their New Year's kiss on Instagram.

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Husband and wife, Fergie of the Black Eyed Peas and Transformers star Josh Duhamel raises their glass for the New Year.

Jamie Lynn Sigler holds up a sparkler at home and a puckers up for a kiss with hubby, AJ Discala.

Jamie Chung and Bryan Greenberg give each other a big hug for the holidays.

Melissa Joan Hart cuddles up to her child for the occasion and posts a selfie.

Sofia Vergara and Joe Manganiello celebrates in Vegas with Miley and Patrick to celebrate the New Year and their recent engagement.

Newly weds Donnie Wahlberg and Jenny McCarthy pose adorably for photos in Times Square.

Taylor Swift performs for the annual Christmas ball drop at Times Square.

Kendall Jenner, who is off on a UAE holiday with pals, seems to have spent New Year's with Olivier Rousteing in Dubai, with fellow jetsetters, Cody Simpson, Gigi Hadid, Shay Mitchel, Chanel Iman and Selena Gomez.

Alessandra Ambrosio spends New Year's with family.

Kevin Bacon plants a kiss on wife, Kyra Sedgwick.

Skylar Astin and Anna Camp pose for a celebratory pic as they welcome 2015 together.

Bill and Guiliana Rancic are apparently also in Dubai and were joined by none other than Pharrell.

TagsMiley Cyrus, miley cyrus Patrick Schwarzenegger, Gigi Hadid, Selena Gomez, chanel iman, fergie, josh duhamel, melissa joan hart, Cody Simpson, Pharrell