Essential ViewingThe Week in RewindCelebs were definitely doing big things this week and going out with a bang!It's commencement season, and First Lady Michelle Obama and Denzel Washington bid adieu to graduates at two leading universities. In Chicago, Oprah Winfrey celebrated the end of an era with a star-studded and fabulous farewell show to commence her 25 years on-air.Check out these events and our other top moments from our favorite celebs inside...Oprah, Patti LaBelle, Beyonce, Madonna, Dakota Fanning and Halle BerryOprah Winfrey speaks as she is surrounded the biggest names in the entertainment biz including, Patti LaBelle, Beyonce, Madonna, Dakota Fanning and Halle Berry, during a double-taping of Surprise Oprah! A Farewell Spectacular in Chicago.Alicia Keys, Maya Angelou and Oprah WinfreyAlicia Keys, Maya Angelou and Oprah Winfrey share a special moment onstage at Surprise Oprah! A Farewell Spectacular.BeyonceBeyonce had a big week! She performs during Surprise Oprah! A Farewell Spectacular and also premiered her music video this week.The Ross FamilyIt's a family affair! Rhonda Ross Kendrick, Raif Ross Kendrick, Ross Arne Naess, Chudney Ross, Tracee Ellis Ross, Diana Ross, and Evan Ross attend the Grand Opening of Books & Cookies in Santa Monica, California.Ciara and Amar'e StoudemireCiara and Amar'e Stoudemire take a ride on the wild side in Miami, Florida.CiaraCiara has some fun in the sun while jet skiing in Miami, Florida.Denzel WashingtonDenzel Washington inspires the proud graduates at the University Of Pennsylvania Commencement during his graduation speech.Deborah Cox, Kerry Washington, Molly Sims, Rachel Roy and June AmbroseDeborah Cox, Kerry Washington, Molly Sims, Rachel Roy and June Ambrose are a fabulous and fashionable bunch at World Ocean Day 2011 in New York City.Halle Berry and Nahla AubryHalle Berry heads out and about with her precious daughter Nahla while in L.A.Jill ScottWe love to see celebs giving back. Jill Scott attended the 6th Annual Brittiana "Smile For Life" Run/Walk in memory of Brittiana Henderson in L.A.Jordin SparksJordin Sparks looks great in this tangerine dress at the Wango Tango concert in L.A.Keri HilsonKeri Hilson looks simply stunning at the 59th Annual BMI Pop Awards in Beverly Hills, California.LaLa VasquezLaLa Vasquez rocks a bright hue on the red carpet of the Songwriters Music Series to Benefit the VH1 Save the Music Foundation at the Hard Rock Cafe.Mariah Carey and Nick CannonMariah Carey and Nick Cannon leave UCLA Medical Center in Santa Monica with their twins, Moroccan Scott Cannon and Monroe Cannon. What a beautiful family!Marsha AmbrosiusMarsha Ambrosius looks hot at the 2011 BET Awards nominees announcement at BET Studios in New York City.We love the white blazer and nude shoes!Mary J. BligeMary J. Blige was seen out and about looking casual and chic in sneakers, jeans, and chic blazer.We love those shades too!First Lady Michelle ObamaFirst Lady Michelle Obama gives a joyful smile while receiving an honorary degree from Spelman College president Beverly D. Tatum.Naomi CampbellNaomi Campbell rocks the runway at the 'Fashion For Relief Japan Fundraiser' during the Cannes Film Festival in France.President Barack ObamaHow adorable! President Barack Obama greets a young boy upon arrival at Bradley International Airport in Windsor Locks, Connecticut.This little guy was a happy camper.Diddy and his DaughtersFun times! Diddy and his twin daughters D'Lila Star and Jessie James Combs enjoy the dayat a fun day at Coldwater Canyon Park in L.A.Quincy Jones and Naomi CampbellQuincy Jones and Naomi Campbell share a special moment at the de Grisogono Dinner at the Hotel du Cap Eden Roc in Cannes, France.They were there attending the Cannes International Film Festival.Raven SymoneRaven Symone strikes a pose during a visit to the 'May Press Junket 2011' at ABC Studios in Burbank, California.Regina King and Jada Pinkett SmithRegina King and Jada Pinkett Smith give each other a warm embrace at the TEN Upfront 2011 in New York City.Selita EbanksSelita Ebanks has some fun in the sun during her visit to the vitaminwater Lunch Series in Cannes, France.She has such a pretty smile!Tracee Ellis RossTracee Ellis Ross out and about in New York City.Her chic red umbrella is totally cute!Trin-i-tee 5:7Trin-i-tee 5:7visitsESSENCE office in New York City.We love their printed scarves and ethnic jewelry.Zoe SaldanaZoe Saldana looks elegant and fashionable on the red carpet at the 'The Tree Of Life' premiere during the 64th Annual Cannes Film Festival.NeNe LeakesNeNe Leakes performs at the Theo London's inspirational staged play 'Loving Him is Killing Me' in Miami, Florida.She stars in one of the lead roles in the play.