Katy Perry’s Sharks and a ‘Full House’ Reunion: Top 12 Instagram Photos of the Week

Old friends reunite and music collabs are teased in this week’s best-of-Instagram roundup.

See how Lady Gaga, Reese Witherspoon and more celebrities spent their week in these photo highlights:

Chrissy Teigen and John Legend dance with Katy Perry’s sharks.

 

WHAAAAAAAT

A photo posted by @chrissyteigen on Feb 4, 2015 at 6:37pm PST

Eric Stonestreet gets caught in the middle of a Full House sandwich by John Stamos and Bob Saget.

 

Full(er) House.

A photo posted by Eric Stonestreet (@ericstonestreet) on Feb 1, 2015 at 6:50pm PST

Snoop Dogg and family celebrate his son’s football recruitment to UCLA.

 

G paw dirty dell n bigg dogg??

A photo posted by snoopdogg (@snoopdogg) on Feb 4, 2015 at 11:11pm PST

Lady Gaga rehearses with Paul McCartney.

 

Always a good time with my buddy. I’ll never forget when he called me last year to work and I hung up the phone cuz I thought it was a prank!

A photo posted by @ladygaga on Feb 3, 2015 at 6:00pm PST

Reese Witherspoon poses with fellow best actress nominees Marion Cotillard, Julianne Moore, Rosamund Pike and Felicity Jones in front of Oscar.

 

Honored to be in these ladies’ company yesterday! #OurFacesSayItAll #Oscars #Oscarslunch @theacademy

A photo posted by Reese Witherspoon (@reesewitherspoon) on Feb 3, 2015 at 1:54pm PST

Taylor Swift dances in front of her own exhibit at the Grammy Museum.

 

Went to the Grammy Museum in LA to see the exhibit they did on ma life. My behavior was as embarrassing as usual.

A video posted by Taylor Swift (@taylorswift) on Feb 5, 2015 at 11:26am PST

Gwen Stefani meets Michael Keaton on the set of The Tonight Show.

 

So great meeting Michael Keaton at The Tonight Show! Such a fan! Tune into @FallonTonight this evening!

A photo posted by Gwen Stefani (@gwenstefani) on Feb 2, 2015 at 6:24pm PST

Jamie Foxx teases new music with Lenny Kravitz.

 

Music on the way

A photo posted by Jamie Foxx (@iamjamiefoxx) on Feb 4, 2015 at 8:12pm PST

Katy Perry gets the letters “XLIX” tatted on her finger in commemoration of her Super Bowl halftime show.

 

I thought it would be appropriate to draw blood tonight… XLIX

Kim Kardashian, Kanye West, John Legend and Chrissy Teigen double date at Waffle House.

 

Double date at the Waffle House

A photo posted by Kim Kardashian West (@kimkardashian) on Feb 1, 2015 at 1:24am PST

Justin Timberlake confirms that wife Jessica Biel is pregnant.

 

Thank you EVERYONE for the Bday wishes! This year, I’m getting the GREATEST GIFT EVER. CAN’T WAIT. #BoyOrGirl #YouNeverKnow #WeDontEvenKnow #WeAreTakingBets

A photo posted by Justin Timberlake (@justintimberlake) on Jan 31, 2015 at 3:29pm PST

Steven Tyler and Britney Spears reenact their 2001 Super Bowl halftime performance at the Super Bowl XLIX.

 

JUST GIMME A KISS…BRIT… @BRITNEYSPEARS #2001HALFTIMESHOW #WALKTHISWAY #REUNITED

A photo posted by Steven Tyler (@iamstevent) on Feb 1, 2015 at 9:37pm PST