Anne Hathaway Spends New Year's Eve With Valentino in Switzerland

Star is reportedly scheduled to serenade the fashion designer during his event tonight in Gstaad

Talk about a star-studded event.

Bundled up in coats and turtlenecks, actress Anne Hathaway and her mega-watt smile were spotted with famous fashion designer Valentino and his partner Giancarlo while strolling the streets of Gstaad in Switzerland.

So what's going on in the Swiss Confederation?

Hathaway, who will be joined by her hubby Adam Schulman, is reportedly going to be singing at a New Year's Eve bash held at Valentino's cottage at the ski resort tonight, along with Madonna and her daughter Lourdes. In fact, the two celebs are rumored to be doing a duet together, too!

Valentino is definitely going all-out on tonight's festivities, reportedly spending 500,000 euros (or around $660,000) just on fireworks and fixin's including caviar and champagne.

Oh, you fancy, huh?