Bloody Sunday — Kim K. Rushed to ER  —  The new season of “Dancing With the Stars” may have already lost its first competitor — and they haven't even announced the official cast yet.  —  Kim Kardashian — who is scheduled to be on the show this season — badly cut her foot in her hotel room late Sunday night.

STICKY IT TO 'EM  —  Madonna wows fans on first night of tour  —  THEY call her the Queen Of Pop and it was in regal style that Madonna kicked off her Sticky & Sweet tour last night—arriving on stage on a black and gold THRONE.  —  More than 40,000 fans in Cardiff's Millennium Stadium gasped …

Michelle Obama: ‘Ready to Roll’  —  It's nearly showtime for Michelle Obama, whose prime-time, nationally televised address on Monday will be the main event of the Democratic National Convention's opening night in Denver.  Her speech?  “It's done.  I'm done,” she told PEOPLE on Saturday.

Scoop: Mayer not a wonderland for paparazzi  —  Plus, no directing gig for Samuel L. Jackson; Scoop heads to convention  —  You know that gaping whole in John Mayer's heart, the one in the space Jennifer Aniston used to occupy?  Mayer has found something to fill it, and it's not another lady — it's the paparazzi.

Pop Tarts: Donald Trump Gets Emotional Over Christina Aguilera  —  LOS ANGELES — Donald Trump usually isn't one to show too much emotion on his face, but the big-wig businessman was clearly moved by Christina Aguilera's live performance at the Nakeel & Trump Organization party on Saturday night …

Piazza: Ricky baby pics just don't click  —  There'll be no Brangelina-style baby cover splash for Ricky Martin and his new twins.  Celebrity magazines, which usually start sparring over exclusive photos the second a famous sperm hits an egg, are backing off, top editors tell us.

Side Dish: LiLo and Sam scope out baby gear  —  Lindsay Lohan and Samantha Ronson giggled excitedly while shopping at chic baby boutique Petit Tresor in Brentwood.  Word is they spent more than $300 on burp cloths, T-shirts and bibs from plainmary.com.  But don't count on the loving couple following …

‘Fearful’ L.A. cop pulls gun on Diddy  —  A cop pulled a gun on rap mogul Sean (Diddy) Combs during a routine traffic stop in Los Angeles, authorities said Sunday.  —  A Los Angeles County sheriff's deputy briefly brandished his weapon at Combs on the Sunset Strip after cops pulled over a car driven by a member of his entourage.

Blake's mum slams Amy Winehouse for ‘coke’ video shame  —  AMY WINEHOUSE'S mother-in-law last night called for her to be arrested - after the junkie singer was caught again on video snorting cocaine.  —  The troubled Back to Black star was secretly filmed hoovering up the Class A drug in a packed London pub.

Tom & Katie Wear The Same Jeans  —  Tom Cruise gets matchy with wife Katie Holmes while out and about in New York City on Sunday night with their 2-year-old daughter Suri.  —  Tom, 46, and Katie, 29, sported the same exact pair of jeans at the same exact time — same wash, same button fly, same sandblasted front legs.

Keely Shaye Smith is a Boogie Board Babe  —  Keely Shaye Smith, the wife of 007 star Pierce Brosnan, takes her boogie board for a ride on the waves in Kauai, Hawaii on Sunday afternoon.  —  “I never shy away from colors or my curves,” Keeley has told Vogue.  “I never hide in baggy clothing.'

HAPPIER SWAP  —  CAMERON Diaz and Jennifer Aniston traded boyfriends, and Diaz made the better deal.  She's having more fun with Aniston's ex, Paul Sculfor, than Aniston had with Diaz's former fling, John Mayer.  Our spy spotted Diaz at the Four Seasons in the Maldives with Sculfor, who split from Aniston last summer.