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While the rest of us set our DVRs for the Glee season finale, die-hard Gleeks made their way to San Jose to meet Cory Monteith and Naya Rivera at the Samsung Infuse 4G for AT&T  fan appreciation event. After hours of signing autographs and posing for photos, the tireless duo joined their co-stars to kick off the 2011 Glee Tour. In Los Angeles, Emmy Rossum and Kristin Davis were among the ladies who lunched (and shopped!) for a good cause at the annual PS Arts Bag lunch. And in New York City, Lake Bell channeled both her inner and outer beauty during a bash for NARS Cosmetics founder Francois Nars. Click through the gallery to see all the photos from last night’s hottest parties! 

Kim Kardashian just announced her engagement to boyfriend Kris Humphries earlier today, and now we’ve found more info on her 20.5 carat sparkler! The $2 million Lorraine Schwartz ring features a 16.5 carat emerald cut center stone flanked by two 2-carat trapezoids. “We make the metal so fine that the light shines through. Some people don’t believe it’s real,” Lorraine Schwartz told InStyle of her ethereal pieces. Kim Kardashian isn’t the only celebrity fan of the jeweler—Beyonce Knowles, Jennifer Lopez and Cate Blanchett have all worn Schwartz’s designs. Kim’s sister Khloe couldn’t resist tweeting about the massive bauble today. “I went roller skating on it earlier! Sad thing is I got tired, jumped off! It was just too big2 skate the whole thing,” she joked, later adding “Kims ring gave birth to my ring! LOL but my ring is perfection! Its from my Lammy.”

MORE: Kim Kardashian Is Engaged!

Today marks the end of Oprah Winfrey‘s 25-year run as the queen of daytime talk shows. To mark the occasion, we’ve rounded up her most iconic hair and makeup looks! Winfrey has sported many hairstyles over the course of her career—from feathered bobs to shaggy chops—and gone modern minimalist to super glamorous in her makeup. “I carry more than a thousand lipsticks to her photo shoots and shows because she always wants a new color,” said her longtime makeup artist Reggie Wells, who has used everything from burgundy to tangerine on Winfrey’s pout. But her mouth isn’t doing all the work. “She has the most expressive eyes,” Wells noted. “They also speak volumes.” And despite the fact that she’s retiring from her show, Oprah shows no signs of slowing down. As Wells has said, “She’s still full of energy and inspires everyone around her.” Click through the gallery to see her transformation!

MORE: Breaking Down Oprah’s Style