Tori Spelling, 44, works on shedding post-baby weight in birthday workout with Tae Bo fitness guru Billy

Tori Spelling worked on shedding her post-baby weight by launching a series of lightning-quick attacks at famed fitness guru Billy Blanks in Los Angeles.

The star, who recently gave birth to her fifth child, launched a variety of punches and kicks as she celebrated her 44th birthday by partaking in a sweaty session with the Tae Bo creator on Tuesday.

Hiya: Tori Spelling launched a kick at Billy Blanks during a birthday workout in LA on Tuesday

Hiya: Tori Spelling launched a kick at Billy Blanks during a birthday workout in LA on Tuesday

The reality television personality was looking as stylish as ever in a grey T-shirt, workout leggings, pink-trimmed trainers and colour-coordinated boxing gloves.

Martial arts instructor Billy, whose estimated net worth of $30 million dwarfs Tori's $1.5 million fortune, was a hard taskmaster, and made sure she worked on her form as she punched and kicked his focus pads.

The Beverly Hills 90210 star certainly looked like she was having a great time during the workout and even posed next to her partner following their exhausting session.

She welcomed her most recent addition to the family, baby Beau, just two months ago. 

Spelling mistake: The Tae Bo creator tried to correct his student's woeful form

Spelling mistake: The Tae Bo creator tried to correct his student's woeful form

Oh dear: But she still seemed a little off balance as she landed another kick

Oh dear: But she still seemed a little off balance as she landed another kick

Tickled pink: She chuckled about her plight as she showed off her eye-catching boxing gloves

Tickled pink: She chuckled about her plight as she showed off her eye-catching boxing gloves

Sharp moves: Billy threw out a jab as the dynamic duo struck a cheesy pose

Sharp moves: Billy threw out a jab as the dynamic duo struck a cheesy pose

It is her fifth child with 50-year-old husband Dean McDermott, whose relationship initially started as an affair when they were both married back in 2005. 

But there have been more additions to the family, as in February, the actress welcomed a pig named Nutmeg into their home.

'I have been excitedly on the waitlist at Oink Oink Mini Pigs... ' Tori wrote on her ediTORIal website.

'They have such an amazing reputation for connecting mini piggies with families and forever homes!

Feeling confused: She looked a little reticent after throwing out a right hand

Feeling confused: She looked a little reticent after throwing out a right hand

Weave me alone: Tori showed she still has great reflexes at 44 by ducking a hook

Weave me alone: Tori showed she still has great reflexes at 44 by ducking a hook

Blank canvas: Billy did his best to instill some of his ideas on his student

Blank canvas: Billy did his best to instill some of his ideas on his student

'When I got the email in October that Nutmeg had been born and would join our family in a couple months I literally squealed with excitement.'

'Maybe not the ideal timing with my baby due so soon but all babies are blessings whenever they come into your life! Nutmeg is so sweet and such a great addition to our family!

'My babies absolutely love her! Welcome to the family Nutmeg!"

It was a thoughtful gift from her husband and their children Liam, 10, Stella, 8, Hattie, 5, and four-year-old Finn as Tori has been dabbling with farm animals.

Smart move: First she softened up her opponent by throwing out a teasing jab

Smart move: First she softened up her opponent by throwing out a teasing jab

Hard to stomach: And she followed up by landing a kick on his protruding belly

Hard to stomach: And she followed up by landing a kick on his protruding belly

Five alive: She welcomed her fifth child Beau just two months ago

Five alive: She welcomed her fifth child Beau just two months ago

Burgeoning brood: She has four other children with husband Dean McDermott

Burgeoning brood: She has four other children with husband Dean McDermott

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Tori Spelling works on shedding post-baby weight in LA

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