Pop starlet Katy Perry kicked off her ‘California Dreams’ world tour in Lisbon, Portugal last night. During her set, the recently married singer served up renditions of pal Rihanna‘s chart smash ‘Only Girl (In The World)’, Jay Z’s ‘Big Pimpin’, as well as Willow Smith‘s ‘Whip My Hair’.

How did Katy fare? Find out after the jump…

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Beyonce was one of the many superstar acts who in the audience at the NBA All-Star Game last evening. Other notable names at the event included Rihanna, Jay-Z, Drake, Keri Hilson and Kanye West. Peep more images below:

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[Photo Credit: MARK RALSTON/AFP/Getty Image]

Gearing up for her inevitable international takeover, Jessie J hit France this past week; performing 1st single ‘Do It Like A Dude’ on primetime show Taratata.

Check out the Essex bred star in action below…

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Rihanna was the headline act at the NBA All-Star Halftime Show earlier today. In her usual form, the counterfeit singer struggled through renditions of her hit songs ‘Umbrella’, ‘Rude Boy’ and ‘Only Girl (In The World)’.

Luckily Rihanna was joined by Drake for ‘What’s My Name?’ and Kanye West for ‘All of the Lights’ who helped distract from her glaring lack of vocal ability. The performances can be seen below:

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Ciara may be experiencing career woes but that isn’t stopping her from enjoying the NBA All-Star Game. The elastic entertainer arrived on the T-Mobile Magenta Carpet at L.A. Live in Los Angeles in a pair of boots that added even more height to her already tall frame.

Peep another image below:

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Bruno Mars wasn’t the only act to perform at the NBA All-Star Game pre-show. Keri Hilson also helped to get the crowd hype for the event with performances of ‘Pretty Girl Rock’ and ‘Knock You Down’. Peep the footage below:

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Melanie Fiona had the honor of singing the Canadian national anthem, ‘O Canada’, at the NBA All-Star Game today. The singer preceded her American counterpart Josh Groban who delivered an equally powerful rendition of the ‘Star Spangled Banner’ for the sold-out venue.

See Fona’s stunning performance below:

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Bruno Mars hit the stage at the NBA All-Star Game pre-show today. The singer/songwriter performed a remixed version of his smash hit ‘Just The Way You Are’ as well as his new single, ‘The Lazy Song’. Check out both performances below:

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Soulful songstress Adele has much cause for celebration tonight; for following her spine-tingling BRIT Awards showing this week, she today scored four placings in the UK’s Big Top 40 Chart.

Topping the tally is the 21 year old’s live BRIT’s rendition of ‘Someone Like You’, which was made available on iTunes immediately following Tuesday’s performance. Meanwhile, ‘Rolling In The Deep’ and the studio version of ‘Someone Like You’ occupy positions #5 and #8 respectively.

Over on the Official UK Singles Chart, the singer’s sophomore LP ’21’ sits at #1 for another week, whole her debut ’19’ rests comfortably at #4.

Needless to say; congratulations are most certainly in order for the Tottenham, North London native.

How refreshing is it to see true talent back at the top?! More power to her.

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Rihanna, John Legend and Melanie Fiona got close at the Bing Presents The 5th Annual “Two Kings” After Party at CAA in Los Angeles last evening. Other artists in attendance included Ciara, Jay-Z, Brandy and Jamie Foxx. See more images below:

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Nicki Minaj performed at CIROC Presents the NBA Player’s Association Gala yesterday. The event was held at the JW Marriott Los Angeles at L.A. LIVE in Los Angeles. More images are available below:

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