She will join husband Jay-Z, Rihanna and U2’s Bono and The Edge in London for the event, airing Friday at 8 p.m. ET/PT.

Beyoncé has been added to the bill for the “Hope for Haiti Now: A Global Benefit for Earthquake Relief” telethon, airing Friday at 8 p.m. ET/PT, upping the star wattage for the already massive event.

Music performances from “Hope for Haiti Now” will be available for purchase and download on the iTunes Store. Beginning on Friday, iTunes customers will be able to exclusively pre-order both the Hope for Haiti Now full performance album ($7.99) and the full two-hour video telecast ($1.99). Pre-orders will be delivered in the days following the telethon. Individual audio performances will also be available for purchase and download for 99 cents each in the days following the telethon. Apple, the record labels and the artists will donate their share of the proceeds to Haiti relief funds managed by “Hope for Haiti Now” charities.

The singer will join husband Jay-Z, Rihanna and U2’s Bono and The Edge in London to help raise funds for Haiti in the wake of last week’s devastating 7.0-magnitude earthquake. Justin Timberlake, Bruce Springsteen, Taylor Swift, Mary J. Blige and more artists will also perform during the two-hour telecast.

George Clooney, who helped organize the event with MTV Networks, will helm the proceedings in Los Angeles, while Wyclef Jean and CNN’s Anderson Cooper will join in from New York and Haiti, respectively.

A number of notable acts have confirmed their participation for the telethon, which will air commercial-free across MTV, VH1, ABC, CBS, NBC, FOX, CNN, BET, the CW, HBO, CMT, PBS, TNT, Showtime, Comedy Central, Bravo, E! Entertainment Network, National Geographic Channel, Oxygen, G4, Centric, Current TV, Fuse, MLB Network, Epix, Palladia, SoapNet, Style, Discovery Health and Planet Green. Canada’s CTV, CBC Television, Global Television and MuchMusic also will air “Hope for Haiti,” as will BET International, CNN International, National Geographic and MTV Networks International, making the event available in 640 million homes worldwide.

Facebook and Twitter are the official social-media partners for the telethon. All donations will benefit Oxfam America, Partners in Health, Red Cross, UNICEF and Wyclef’s Yele Haiti foundation. The Clinton Bush Haiti Fund and United Nations World Food Programme will also benefit from the telethon’s efforts, as aid will be split evenly among each organization’s relief programs for the ravaged island.

Expected highlights from the telecast include U2’s Bono and The Edge joining Jay-Z and Rihanna in London for a one-of-a-kind performance. Kid Rock, Keith Urban and Sheryl Crow are among those who will appear in Los Angeles, and Springsteen, Blige and Shakira are set to take part in the New York portion of the show.

Beyonce helped husband Jay-Z celebrate turning 40 in style with a star-studded 1920s-themed party.

The bash, held at Casa de Campo in the Dominican Republic, was attended by over 60 guests including Kanye West and girlfriend Amber Rose, Sean ‘Diddy’ Combs and girlfriend Kim Porter, Alex Rodriguez and Kate Hudson, Alicia Keys, Warner Music chief Lyor Cohen and designer Tory Burch, The New York Post reveals.

A source said: “Diddy gave a toast and Jay-Z’s friends also put together a video saying how much they love him.”

The entertainment included deck-spinning from DJ Cassidy, synchronised swimmers, fireworks and an impromptu performance of Empire State Of Mind by Jay-Z and Alicia Keys, and partying went on until 5am.

The next morning hostess Beyonce held a surf-and-turf brunch for guests at the luxury villa where she and Jay-Z were staying.

apper comes out for a little “I Just Wanna Love U (Give It 2 Me) in the middle of ‘Crazy in Love.’

*Beyonce opened her Sunday concert at Madison Square Garden with her smash hit “Crazy in Love” and stunned fans when she was joined by her husband Jay-Z. [Scroll down to watch.]

The crowd went nuts as Jay-Z simply walked on stage to sing a verse from his song “I Just Wanna Love U (Give It 2 Me),” which began playing midway through “Crazy in Love.”

The husband/wife appearance marked the first time they have performed together during Beyonce’s I Am … Tour, despite Brooklyn native Jay-Z accompanying his wife to Canada and Europe over the last few months for her concerts.

Rapper Jay-Z has denied reports that claimed that he and wife Beyonce Knowles are planning to start a family in the near future insisting that they don’t plan to have children as of now.

The R&B star couple, who celebrated their first wedding anniversary in April, have been at the centre of pregnancy rumours for some time, Contactmusic reported.

But the’99 problems’hitmaker has brushed off the baby talk as rumors and said they will continue to build up their fortunes by touring and recording music for another few years before turning their attentions to family life.

“We got to keep it moving. Got bills to pay,” Jay-Z said.

Jay-Z is currently touring US in preparation for the release of his new album’The Blueprint 3′ in September this year, while Beyonce has just wrapped up the European leg of her’I Am.’ worldwide tour and will kick off the US jaunt on 21 June.

Beyonce Knowles has revealed that her relationship with husband Jay-Z is the first she’s ever been in.

Speaking to L.A Confidential magazine, the singer revealed: “Fortunately I haven’t had any breakups! This is my first relationship.”

“We were together for a really long time before we got married; we were in no rush.” Beyonce explained.

And when asked about rumors that the marriage was on the rocks, Beyonce’s response was: “I’m very, very happy, that’s all I’ll say. It’s just natural for people to start rumors and try to break things up.”

Beyonce and Jay-Z began dating in 2002, and they married in Spring last year.